The built-in math library will turn Python into a scientific calculator. ... The math library also has trigonometric functions. Suppose you wanted to find the sine of 45 degrees.

Using NumPy for array and matrix math in Python Many mathematical operations, especially in machine learning or data science , involve working with matrixes , or lists of numbers.

Sympy doesn't use the default Python int and float, because it provides more control. If you have an expression that contains only numbers, the default Python types are used. If you want to use the ...