Fast inverse square root (1/sqrt(x)) using the Quake III algorithm. Reference: https://en.wikipedia.org/wiki/Fast_inverse_square_root Accuracy: https://en.wikipedia ...

One useful feature of the Python math module is quick access to mathematical constants. You can make Python more effective as ...

There are two ways numbers are represented internally - integers and floating point numbers. Even though the numbers 1 and 1.0 have the same value their internal representation are very different.

def generate_primary_problem(): """生成小学四则运算题目""" operators = ['+', '-', '*', '/'] a = random.randint(1, 20) b = random.randint(1, 20) operator ...