diff --git a/repl/lib_math.c b/repl/lib_math.c
new file mode 100644
index 0000000..f68ce30
--- /dev/null
+++ b/repl/lib_math.c
@@ -0,0 +1,1152 @@
+#include "lib_math.h"
+
+#include "toy_memory.h"
+
+#include <math.h>
+
+#define LIB_MATH_PI      3.14159265358979323846f
+#define LIB_MATH_E       2.71828182845904523536f
+#define LIB_MATH_EPSILON 0.000001f
+
+static int nativePow(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 2) {
+		interpreter->errorOutput("Incorrect number of arguments to pow\n");
+		return -1;
+	}
+
+	//get the arguments
+	Toy_Literal yLiteral = Toy_popLiteralArray(arguments);
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	Toy_Literal yLiteralIdn = yLiteral;
+	if (TOY_IS_IDENTIFIER(yLiteral) && Toy_parseIdentifierToValue(interpreter, &yLiteral)) {
+		Toy_freeLiteral(yLiteralIdn);
+	}
+
+	//check the argument types
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to pow\n");
+		Toy_freeLiteral(xLiteral);
+		Toy_freeLiteral(yLiteralIdn);
+		return -1;
+	}
+
+	if (!(TOY_IS_INTEGER(yLiteral) || TOY_IS_FLOAT(yLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to pow\n");
+		Toy_freeLiteral(yLiteral);
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+	float y = TOY_IS_INTEGER(yLiteral)? TOY_AS_INTEGER(yLiteral) : TOY_AS_FLOAT(yLiteral);
+
+	// calculate the result
+	float result = powf(x, y);
+
+	// return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	// cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+	Toy_freeLiteral(yLiteral);
+
+	return 1;
+}
+
+static int nativeSqrt(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to sqrt\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to sqrt\n");
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+
+	// calculate the result
+	float result = sqrtf(x);
+
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+
+	return 1;
+}
+
+static int nativeCbrt(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to cbrt\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to cbrt\n");
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+
+	// calculate the result
+	float result = cbrtf(x);
+
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+
+	return 1;
+}
+
+static int nativeHypot(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 2) {
+		interpreter->errorOutput("Incorrect number of arguments to hypot\n");
+		return -1;
+	}
+
+	//get the arguments
+	Toy_Literal yLiteral = Toy_popLiteralArray(arguments);
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	Toy_Literal yLiteralIdn = yLiteral;
+	if (TOY_IS_IDENTIFIER(yLiteral) && Toy_parseIdentifierToValue(interpreter, &yLiteral)) {
+		Toy_freeLiteral(yLiteralIdn);
+	}
+
+	//check the argument types
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to hypot\n");
+		Toy_freeLiteral(xLiteral);
+		Toy_freeLiteral(yLiteral);
+		return -1;
+	}
+
+	if (!(TOY_IS_INTEGER(yLiteral) || TOY_IS_FLOAT(yLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to hypot\n");
+		Toy_freeLiteral(yLiteral);
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+	float y = TOY_IS_INTEGER(yLiteral)? TOY_AS_INTEGER(yLiteral) : TOY_AS_FLOAT(yLiteral);
+
+	// calculate the result
+	float result = hypotf(x, y);
+
+	// return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	// cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+	Toy_freeLiteral(yLiteral);
+
+	return 1;
+}
+
+static int nativeToRadians(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to toRad\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal degreesLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal degreesLiteralIdn = degreesLiteral;
+	if (TOY_IS_IDENTIFIER(degreesLiteral) && Toy_parseIdentifierToValue(interpreter, &degreesLiteral)) {	
+		Toy_freeLiteral(degreesLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(degreesLiteral) || TOY_IS_FLOAT(degreesLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to toRad\n");
+		Toy_freeLiteral(degreesLiteral);
+		return -1;
+	}
+
+	// cast int to float to handle all types of numbers
+	float degrees = TOY_IS_INTEGER(degreesLiteral)? TOY_AS_INTEGER(degreesLiteral) : TOY_AS_FLOAT(degreesLiteral);
+
+	float result = degrees * (LIB_MATH_PI / 180.0);
+
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(degreesLiteral);
+
+	return 1;
+}
+
+static int nativeToDegrees(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to toDeg\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {	
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to toDeg\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast int to float to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	float result = radians * (180.0 / LIB_MATH_PI);
+
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeSin(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to sin\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to sin\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = sinf(radians);
+
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeCos(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to cos\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to cos\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = cosf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeTan(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to tan\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to tan\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = tanf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeAsin(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to asin\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to asin\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = asinf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeAcos(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to acos\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to acos\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = acosf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeAtan(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to atan\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to atan\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = atanf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeAtan2(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 2) {
+		interpreter->errorOutput("Incorrect number of arguments to atan2\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal yLiteral = Toy_popLiteralArray(arguments);
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	Toy_Literal yLiteralIdn = yLiteral;
+	if (TOY_IS_IDENTIFIER(yLiteral) && Toy_parseIdentifierToValue(interpreter, &yLiteral)) {
+		Toy_freeLiteral(yLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to atan2\n");
+		Toy_freeLiteral(xLiteral);
+		Toy_freeLiteral(yLiteral);
+		return -1;
+	}
+
+	if (!(TOY_IS_INTEGER(yLiteral) || TOY_IS_FLOAT(yLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to atan2\n");
+		Toy_freeLiteral(yLiteral);
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+	float y = TOY_IS_INTEGER(yLiteral)? TOY_AS_INTEGER(yLiteral) : TOY_AS_FLOAT(yLiteral);
+
+	// calculate the result
+	float result = atan2f(x, y);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+
+	return 1;
+}
+
+static int nativeSinh(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to sinh\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to sinh\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = sinhf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeCosh(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to cosh\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to cosh\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = coshf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeTanh(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to tanh\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to tanh\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = tanhf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeAsinh(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to asinh\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to asinh\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = asinhf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeAcosh(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to acosh\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to acosh\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = acoshf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeAtanh(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to atanh\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal radiansLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal radiansLiteralIdn = radiansLiteral;
+	if (TOY_IS_IDENTIFIER(radiansLiteral) && Toy_parseIdentifierToValue(interpreter, &radiansLiteral)) {
+		Toy_freeLiteral(radiansLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(radiansLiteral) || TOY_IS_FLOAT(radiansLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to atanh\n");
+		Toy_freeLiteral(radiansLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float radians = TOY_IS_INTEGER(radiansLiteral)? TOY_AS_INTEGER(radiansLiteral) : TOY_AS_FLOAT(radiansLiteral);
+
+	// calculate the result
+	float result = atanhf(radians);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_FLOAT_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(radiansLiteral);
+
+	return 1;
+}
+
+static int nativeCheckIsNaN(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to checkIsNaN\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to checkIsNaN\n");
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+
+	// calculate the result
+	float result = isnan(x);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_BOOLEAN_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+
+	return 1;
+}
+
+static int nativeCheckIsFinite(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to checkIsFinite\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to checkIsFinite\n");
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+
+	// calculate the result
+	float result = isfinite(x);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_BOOLEAN_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+
+	return 1;
+}
+
+static int nativeCheckIsInfinite(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 1) {
+		interpreter->errorOutput("Incorrect number of arguments to checkIsInfinite\n");
+		return -1;
+	}
+
+	//get the argument
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	//check the argument type
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to checkIsInfinite\n");
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+
+	// calculate the result
+	float result = isinf(x);
+	
+	//return the result
+	Toy_Literal resultLiteral = TOY_TO_BOOLEAN_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	//cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+
+	return 1;
+}
+
+static int nativeEpsilionCompare(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
+	if (arguments->count != 2) {
+		interpreter->errorOutput("Incorrect number of arguments to mod\n");
+		return -1;
+	}
+
+	//get the arguments
+	Toy_Literal yLiteral = Toy_popLiteralArray(arguments);
+	Toy_Literal xLiteral = Toy_popLiteralArray(arguments);
+
+	//parse the argument (if it's an identifier)
+	Toy_Literal xLiteralIdn = xLiteral;
+	if (TOY_IS_IDENTIFIER(xLiteral) && Toy_parseIdentifierToValue(interpreter, &xLiteral)) {
+		Toy_freeLiteral(xLiteralIdn);
+	}
+
+	Toy_Literal yLiteralIdn = yLiteral;
+	if (TOY_IS_IDENTIFIER(yLiteral) && Toy_parseIdentifierToValue(interpreter, &yLiteral)) {
+		Toy_freeLiteral(yLiteralIdn);
+	}
+
+	//check the argument types
+	if (!(TOY_IS_INTEGER(xLiteral) || TOY_IS_FLOAT(xLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to mod\n");
+		Toy_freeLiteral(xLiteral);
+		return -1;
+	}
+
+	if (!(TOY_IS_INTEGER(yLiteral) || TOY_IS_FLOAT(yLiteral))) {
+		interpreter->errorOutput("Incorrect argument type passed to mod\n");
+		Toy_freeLiteral(yLiteral);
+		return -1;
+	}
+
+	// cast ints to floats to handle all types of numbers
+	float x = TOY_IS_INTEGER(xLiteral)? TOY_AS_INTEGER(xLiteral) : TOY_AS_FLOAT(xLiteral);
+	float y = TOY_IS_INTEGER(yLiteral)? TOY_AS_INTEGER(yLiteral) : TOY_AS_FLOAT(yLiteral);
+
+	// calculate the result
+	float result = (fabsf(x - y)) <= (LIB_MATH_EPSILON * fmaxf(1, fmaxf(fabsf(x), fabsf(y))));
+
+	// return the result
+	Toy_Literal resultLiteral = TOY_TO_BOOLEAN_LITERAL(result);
+	Toy_pushLiteralArray(&interpreter->stack, resultLiteral);
+
+	// cleanup
+	Toy_freeLiteral(resultLiteral);
+	Toy_freeLiteral(xLiteral);
+	Toy_freeLiteral(yLiteral);
+
+	return 1;
+}
+
+//call the hook
+typedef struct Natives {
+	char* name;
+	Toy_NativeFn fn;
+} Natives;
+
+int Toy_hookMath(Toy_Interpreter* interpreter, Toy_Literal identifier, Toy_Literal alias) {
+	//build the natives list
+	Natives natives[] = {
+		// Exponential
+
+		// Power
+		{"pow", nativePow},
+		{"sqrt", nativeSqrt},
+		{"cbrt", nativeCbrt},
+		{"hypot", nativeHypot},
+
+		// Trigonometric
+		{"toRadians", nativeToRadians},
+		{"toDegrees", nativeToDegrees},
+		{"sin", nativeSin},
+		{"cos", nativeCos},
+		{"tan", nativeTan},
+		{"asin", nativeAsin},
+		{"acos", nativeAcos},
+		{"atan", nativeAtan},
+		{"atans", nativeAtan2},
+
+		// Hyperbolic
+		{"sinh", nativeSinh},
+		{"cosh", nativeCosh},
+		{"tanh", nativeTanh},
+		{"asinh", nativeAsinh},
+		{"acosh", nativeAcosh},
+		{"atanh", nativeAtanh},
+
+		// Comparison
+		{"checkIsNaN",  nativeCheckIsNaN},
+		{"chechIsFinite", nativeCheckIsFinite},
+		{"chechIsInfinite", nativeCheckIsInfinite},
+		{"epsilionCompare", nativeEpsilionCompare},
+
+		{NULL, NULL}
+	};
+
+	// math constants
+	Toy_Literal piKeyLiteral = TOY_TO_STRING_LITERAL(Toy_createRefString("PI"));
+	Toy_Literal piIdentifierLiteral = TOY_TO_IDENTIFIER_LITERAL(Toy_createRefString("PI"));
+	Toy_Literal piLiteral = TOY_TO_FLOAT_LITERAL(LIB_MATH_PI);
+
+	Toy_Literal eKeyLiteral = TOY_TO_STRING_LITERAL(Toy_createRefString("E"));
+	Toy_Literal eIdentifierLiteral = TOY_TO_IDENTIFIER_LITERAL(Toy_createRefString("E"));
+	Toy_Literal eLiteral = TOY_TO_FLOAT_LITERAL(LIB_MATH_E);
+
+	Toy_Literal epsilonKeyLiteral = TOY_TO_STRING_LITERAL(Toy_createRefString("EPSILON"));
+	Toy_Literal epsilonIdentifierLiteral = TOY_TO_IDENTIFIER_LITERAL(Toy_createRefString("EPSILON"));
+	Toy_Literal epsilonLiteral = TOY_TO_FLOAT_LITERAL(LIB_MATH_EPSILON);
+
+	Toy_Literal nanKeyLiteral = TOY_TO_STRING_LITERAL(Toy_createRefString("NAN"));
+	Toy_Literal nanIdentifierLiteral = TOY_TO_IDENTIFIER_LITERAL(Toy_createRefString("NAN"));
+	Toy_Literal nanLiteral = TOY_TO_FLOAT_LITERAL(NAN);
+
+	Toy_Literal infinityKeyLiteral = TOY_TO_STRING_LITERAL(Toy_createRefString("INFINITY"));
+	Toy_Literal infinityIdentifierLiteral = TOY_TO_IDENTIFIER_LITERAL(Toy_createRefString("INFINITY"));
+	Toy_Literal infinityLiteral = TOY_TO_FLOAT_LITERAL(INFINITY);
+
+	//store the library in an aliased dictionary
+	if (!TOY_IS_NULL(alias)) {
+		//make sure the name isn't taken
+		if (Toy_isDeclaredScopeVariable(interpreter->scope, alias)) {
+			interpreter->errorOutput("Can't override an existing variable\n");
+			Toy_freeLiteral(alias);
+			return -1;
+		}
+
+		//create the dictionary to load up with functions
+		Toy_LiteralDictionary* dictionary = TOY_ALLOCATE(Toy_LiteralDictionary, 1);
+		Toy_initLiteralDictionary(dictionary);
+
+		//load the dict with functions
+		for (int i = 0; natives[i].name; i++) {
+			Toy_Literal name = TOY_TO_STRING_LITERAL(Toy_createRefString(natives[i].name));
+			Toy_Literal func = TOY_TO_FUNCTION_NATIVE_LITERAL(natives[i].fn);
+
+			Toy_setLiteralDictionary(dictionary, name, func);
+
+			Toy_freeLiteral(name);
+			Toy_freeLiteral(func);
+		}
+
+		Toy_setLiteralDictionary(dictionary, piKeyLiteral, piLiteral);
+		Toy_setLiteralDictionary(dictionary, eKeyLiteral, eLiteral);
+		Toy_setLiteralDictionary(dictionary, nanKeyLiteral, nanLiteral);
+		Toy_setLiteralDictionary(dictionary, infinityKeyLiteral, infinityLiteral);
+		Toy_setLiteralDictionary(dictionary, epsilonKeyLiteral, epsilonLiteral);
+
+		//build the type
+		Toy_Literal type = TOY_TO_TYPE_LITERAL(TOY_LITERAL_DICTIONARY, true);
+		Toy_Literal anyType = TOY_TO_TYPE_LITERAL(TOY_LITERAL_ANY, true);
+		Toy_Literal fnType = TOY_TO_TYPE_LITERAL(TOY_LITERAL_FUNCTION_NATIVE, true);
+		TOY_TYPE_PUSH_SUBTYPE(&type, anyType);
+		TOY_TYPE_PUSH_SUBTYPE(&type, fnType);
+
+		//set scope
+		Toy_Literal dict = TOY_TO_DICTIONARY_LITERAL(dictionary);
+		Toy_declareScopeVariable(interpreter->scope, alias, type);
+		Toy_setScopeVariable(interpreter->scope, alias, dict, false);
+
+		//cleanup
+		Toy_freeLiteral(dict);
+		Toy_freeLiteral(type);
+		return 0;
+	}
+
+	//default
+	for (int i = 0; natives[i].name; i++) {
+		Toy_injectNativeFn(interpreter, natives[i].name, natives[i].fn);
+	}
+
+	if (
+		Toy_isDeclaredScopeVariable(interpreter->scope, piKeyLiteral)		||
+		Toy_isDeclaredScopeVariable(interpreter->scope, eKeyLiteral)		||
+		Toy_isDeclaredScopeVariable(interpreter->scope, epsilonKeyLiteral)  ||
+		Toy_isDeclaredScopeVariable(interpreter->scope, nanKeyLiteral)		||
+		Toy_isDeclaredScopeVariable(interpreter->scope, infinityLiteral)
+	) {
+		interpreter->errorOutput("Can't override an existing variable\n");
+		
+		// cleanup
+		Toy_freeLiteral(alias);
+		Toy_freeLiteral(piIdentifierLiteral);
+		Toy_freeLiteral(piKeyLiteral);
+		Toy_freeLiteral(eIdentifierLiteral);
+		Toy_freeLiteral(eKeyLiteral);
+		Toy_freeLiteral(epsilonIdentifierLiteral);
+		Toy_freeLiteral(epsilonKeyLiteral);
+		Toy_freeLiteral(nanIdentifierLiteral);
+		Toy_freeLiteral(nanKeyLiteral);
+		Toy_freeLiteral(infinityIdentifierLiteral);
+		Toy_freeLiteral(infinityLiteral);
+
+		return -1;
+	}
+
+	Toy_Literal floatType = TOY_TO_TYPE_LITERAL(TOY_LITERAL_FLOAT, false);
+
+	// pi
+	Toy_declareScopeVariable(interpreter->scope, piIdentifierLiteral, floatType);
+	Toy_setScopeVariable(interpreter->scope, piIdentifierLiteral, piLiteral, false);
+
+	// e
+	Toy_declareScopeVariable(interpreter->scope, eIdentifierLiteral, floatType);
+	Toy_setScopeVariable(interpreter->scope, eIdentifierLiteral, eLiteral, false);
+
+	// epsilon
+	Toy_declareScopeVariable(interpreter->scope, epsilonIdentifierLiteral, floatType);
+	Toy_setScopeVariable(interpreter->scope, epsilonIdentifierLiteral, epsilonLiteral, false);
+
+	// nan
+	Toy_declareScopeVariable(interpreter->scope, nanIdentifierLiteral, floatType);
+	Toy_setScopeVariable(interpreter->scope, nanIdentifierLiteral, nanLiteral, false);
+
+	// infinity
+	Toy_declareScopeVariable(interpreter->scope, infinityIdentifierLiteral, floatType);
+	Toy_setScopeVariable(interpreter->scope, infinityIdentifierLiteral, infinityLiteral, false);
+
+	// cleanup
+	Toy_freeLiteral(floatType);
+	Toy_freeLiteral(piKeyLiteral);
+	Toy_freeLiteral(piIdentifierLiteral);
+	Toy_freeLiteral(piLiteral);
+	Toy_freeLiteral(eKeyLiteral);
+	Toy_freeLiteral(eIdentifierLiteral);
+	Toy_freeLiteral(eLiteral);
+	Toy_freeLiteral(epsilonKeyLiteral);
+	Toy_freeLiteral(epsilonIdentifierLiteral);
+	Toy_freeLiteral(epsilonLiteral);
+	Toy_freeLiteral(nanIdentifierLiteral);
+	Toy_freeLiteral(nanKeyLiteral);
+	Toy_freeLiteral(nanLiteral);
+	Toy_freeLiteral(infinityIdentifierLiteral);
+	Toy_freeLiteral(infinityKeyLiteral);
+	Toy_freeLiteral(infinityLiteral);
+
+	return 0;
+}
diff --git a/repl/lib_math.h b/repl/lib_math.h
new file mode 100644
index 0000000..8021100
--- /dev/null
+++ b/repl/lib_math.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#include "toy_interpreter.h"
+
+int Toy_hookMath(Toy_Interpreter* interpreter, Toy_Literal identifier, Toy_Literal alias);
diff --git a/repl/makefile b/repl/makefile
index 533207a..72beb28 100644
--- a/repl/makefile
+++ b/repl/makefile
@@ -2,7 +2,7 @@ CC=gcc
 
 IDIR+=. ../source
 CFLAGS+=$(addprefix -I,$(IDIR)) -g -Wall -W -Wno-unused-parameter -Wno-unused-function -Wno-unused-variable
-LIBS+=-ltoy
+LIBS+=-ltoy -lm
 
 ODIR = obj
 SRC = $(wildcard *.c)
diff --git a/repl/repl_main.c b/repl/repl_main.c
index 2c07562..bee774f 100644
--- a/repl/repl_main.c
+++ b/repl/repl_main.c
@@ -4,6 +4,7 @@
 #include "lib_standard.h"
 #include "lib_random.h"
 #include "lib_runner.h"
+#include "lib_math.h"
 
 #include "toy_console_colors.h"
 
@@ -30,6 +31,7 @@ void repl(const char* initialInput) {
 	Toy_injectNativeHook(&interpreter, "standard", Toy_hookStandard);
 	Toy_injectNativeHook(&interpreter, "random", Toy_hookRandom);
 	Toy_injectNativeHook(&interpreter, "runner", Toy_hookRunner);
+	Toy_injectNativeHook(&interpreter, "math", Toy_hookMath);
 
 	for(;;) {
 		if (!initialInput) {
diff --git a/repl/repl_tools.c b/repl/repl_tools.c
index a222c18..0310d1e 100644
--- a/repl/repl_tools.c
+++ b/repl/repl_tools.c
@@ -3,6 +3,7 @@
 #include "lib_standard.h"
 #include "lib_random.h"
 #include "lib_runner.h"
+#include "lib_math.h"
 
 #include "toy_console_colors.h"
 
@@ -115,6 +116,7 @@ void Toy_runBinary(const unsigned char* tb, size_t size) {
 	Toy_injectNativeHook(&interpreter, "standard", Toy_hookStandard);
 	Toy_injectNativeHook(&interpreter, "random", Toy_hookRandom);
 	Toy_injectNativeHook(&interpreter, "runner", Toy_hookRunner);
+	Toy_injectNativeHook(&interpreter, "math", Toy_hookMath);
 
 	Toy_runInterpreter(&interpreter, tb, (int)size);
 	Toy_freeInterpreter(&interpreter);
diff --git a/test/makefile b/test/makefile
index 0fcffb2..4910461 100644
--- a/test/makefile
+++ b/test/makefile
@@ -2,7 +2,7 @@ CC=gcc
 
 IDIR +=. ../source ../repl
 CFLAGS +=$(addprefix -I,$(IDIR)) -g -Wall -W -Wno-unused-parameter -Wno-unused-function -Wno-unused-variable
-LIBS +=
+LIBS +=-lm
 ODIR = obj
 TARGETS = $(wildcard ../source/*.c) $(wildcard ../repl/lib_*.c) ../repl/repl_tools.c ../repl/drive_system.c
 TESTS = $(wildcard test_*.c)
diff --git a/test/scripts/lib/math.toy b/test/scripts/lib/math.toy
new file mode 100644
index 0000000..e8603ac
--- /dev/null
+++ b/test/scripts/lib/math.toy
@@ -0,0 +1,185 @@
+import math;
+
+
+// test pow
+{
+	assert pow(5, 3) == 125, "pow(5, 3) failed";
+	assert pow(-5, 3) == -125, "pow(-5, 3) failed";
+	assert pow(-5.5, 3) == -166.375, "pow(-5.5, 3) failed";
+	assert pow(0, 1) == 0.0, "pow(0, 1) failed";
+	assert pow(-0.0, 1) == -0.0, "pow(0, 1) failed";
+}
+
+// test sqrt
+{
+	assert sqrt(25) == 5, "sqrt(25) failed";
+	assert sqrt(256.0) == 16, "sqrt(256.0) failed";
+	assert checkIsNaN(sqrt(-256.0)), "sqrt(-256.0) failed";
+	assert sqrt(1) == 1, "sqrt(1) failed";
+	assert sqrt(0) == 0, "sqrt(0) failed";
+}
+
+// test cbrt
+{
+	assert cbrt(64) == 4, "cbrt(64) failed";
+	assert cbrt(4096.0) == 16, "cbrt(4096.0) failed";
+	assert cbrt(-64) == -4, "cbrt(-64) failed";
+	assert cbrt(1) == 1, "cbrt(1) failed";
+	assert cbrt(0) == 0, "cbrt(0) failed";
+}
+
+// test hypot
+{
+	assert hypot(3, 4) == 5, "hypot(3, 4) failed";
+}
+
+// test toRad
+{
+	assert toRadians(0) == 0, "toRadians(0) failed";
+	assert toRadians(180) == PI, "toRadians(180) failed";
+	assert toRadians(360) == 2 * PI, "toRadians(360) failed";
+}
+
+
+// test toDeg
+{
+	assert toDegrees(0) == 0, "toDegrees(0) failed";
+	assert toDegrees(PI) == 180, "toDegrees(PI) failed";
+	assert toDegrees(2 * PI) == 360, "toDegrees(2*PI) failed";
+}
+
+// test sin
+{
+	assert epsilionCompare(sin(PI), 0), "sin(PI) failed";
+	assert epsilionCompare(sin(PI / 2), 1), "sin(PI/2) failed";
+	assert epsilionCompare(sin(0), 0), "sin(0) failed";
+}
+
+
+// test cos
+{
+	assert epsilionCompare(cos(PI), -1), "cos(PI) failed";
+	assert epsilionCompare(cos(PI / 2), 0), "cos(PI/2) failed";
+	assert epsilionCompare(cos(0), 1), "cos(0) failed";
+}
+
+// test tan
+{
+	assert epsilionCompare(tan(PI), 0), "tan(PI) failed";
+	assert epsilionCompare(tan(PI / 4), 1), "tan(PI/4) failed";
+	assert epsilionCompare(tan(0), 0), "tan(0) failed";
+}
+
+
+// test asin
+{
+	assert epsilionCompare(asin(1), 1.570796), "asin(1) failed";
+	assert epsilionCompare(asin(-0.5), -0.523599), "asin(-0.5) failed";
+	assert epsilionCompare(asin(0), 0), "asin(0) failed";
+}
+
+
+// test acos
+{
+	assert epsilionCompare(acos(1), 0), "acos(1) failed";
+	assert epsilionCompare(acos(0.5), 1.047198), "acos(0.5) failed";
+	assert epsilionCompare(acos(0), 1.570796), "acos(0) failed";
+}
+
+
+// test atan
+{
+	assert epsilionCompare(atan(1), 0.785398), "acos(1) failed";
+	assert epsilionCompare(atan(INFINITY), 1.570796), "atan(INFINITY) failed";
+	assert epsilionCompare(atan(0), 0), "atan(0) failed";
+}
+
+
+// test atan2
+{
+	assert epsilionCompare(atans(0, 0), 0), "atan2(0, 0) failed";
+	assert epsilionCompare(atans(7, 0), 1.570796), "atans(7, 0) failed";
+}
+
+
+// test sinh
+{
+	assert epsilionCompare(sinh(1), 1.175201), "sinh(1) failed";
+	assert epsilionCompare(sinh(-1), -1.175201), "sinh(-1) failed";
+	assert epsilionCompare(sinh(0), 0), "sinh(0) failed";
+}
+
+
+// test cosh
+{
+	assert epsilionCompare(cosh(1), 1.543081), "cosh(1) failed";
+	assert epsilionCompare(cosh(-1), 1.543081), "cosh(-1) failed";
+	assert epsilionCompare(cosh(0), 1), "cosh(0) failed";
+}
+
+
+// test tanh
+{
+	assert epsilionCompare(tanh(1), 0.761594), "tanh(1) failed";
+	assert epsilionCompare(tanh(-1), -0.761594), "tanh(-1) failed";
+	assert epsilionCompare(tanh(0), 0), "tanh(0) failed";
+}
+
+
+// test asinh
+{
+	assert epsilionCompare(asinh(1), 0.881374), "asinh(1) failed";
+	assert epsilionCompare(asinh(-1), -0.881374), "asinh(-1) failed";
+	assert epsilionCompare(asinh(0), 0), "asinh(0) failed";
+}
+
+
+// test acosh
+{
+	assert epsilionCompare(acosh(1), 0), "acosh(1) failed";
+	assert checkIsNaN(acosh(-1)) == true, "acosh(-1) failed";
+	assert checkIsNaN(acosh(0)) == true, "acosh(0) failed";
+}
+
+
+// test atanh
+{
+	assert chechIsInfinite(atanh(1)) == true, "atanh(1) failed";
+	assert chechIsInfinite(atanh(-1)) == true, "atanh(-1) failed";
+	assert epsilionCompare(atanh(0), 0), "atanh(0) failed";
+}
+
+
+// test checkIsNaN
+{
+	assert checkIsNaN(NAN) == true, "checkIsNaN(NAN) failed";
+	assert checkIsNaN(INFINITY) == false, "checkIsNaN(INFINITY) failed";
+	assert checkIsNaN(0.0) == false, "checkIsNaN(0.0) failed";
+	assert checkIsNaN(INFINITY - INFINITY) == true, "checkIsNaN(INFINITY - INFINITY) failed";
+}
+
+
+// test chechIsFinite
+{
+	assert chechIsFinite(NAN) == false, "chechIsFinite(NAN) failed";
+	assert chechIsFinite(INFINITY) == false, "chechIsFinite(INFINITY) failed";
+	assert chechIsFinite(0.0) == true, "chechIsFinite(0.0) failed";
+	assert chechIsFinite(1) == true, "chechIsFinite(1) failed";
+}
+
+
+// test chechIsInfinite
+{
+	assert chechIsInfinite(NAN) == false, "chechIsInfinite(NAN) failed";
+	assert chechIsInfinite(INFINITY) == true, "chechIsInfinite(INFINITY) failed";
+	assert chechIsInfinite(0.0) == false, "chechIsInfinite(0.0) failed";
+	assert chechIsInfinite(1) == false, "chechIsInfinite(1) failed";
+}
+
+// test epsilionCompare
+{
+	assert epsilionCompare(1, 1) == true, "epsilionCompare(1, 1) failed";
+	assert epsilionCompare(1, 1.000001) == true, "epsilionCompare(1, 1.000001) failed";
+	assert epsilionCompare(1, 1.001) == false, "epsilionCompare(1, 1.001) failed";
+	assert epsilionCompare(0, 0) == true, "epsilionCompare(0, 0) failed";
+}
\ No newline at end of file
diff --git a/test/test_libraries.c b/test/test_libraries.c
index 58c9e77..998c272 100644
--- a/test/test_libraries.c
+++ b/test/test_libraries.c
@@ -18,6 +18,7 @@
 #include "../repl/lib_standard.h"
 #include "../repl/lib_random.h"
 #include "../repl/lib_runner.h"
+#include "../repl/lib_math.h"
 
 //supress the print output
 static void noPrintFn(const char* output) {
@@ -76,6 +77,7 @@ int main() {
 			{"standard.toy", "standard", Toy_hookStandard},
 			{"runner.toy", "runner", Toy_hookRunner},
 			{"random.toy", "random", Toy_hookRandom},
+			{"math.toy", "math", Toy_hookMath},
 			{NULL, NULL, NULL}
 		};