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.

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 ...

Any function involving math operations, especially in Python, ... To memoize a function in Python, we can use a utility supplied in Python’s standard library—the functools.lru_cache decorator.