整理了高频核心函数 + 常量，从平方根、幂运算到三角函数全覆盖，代码示例直接复制就能跑，新手也能秒懂！ math.e/math.pi/math.tau：高精度常数直接调用，不用自己背数值 ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just reaching for a calculator, or if you are writing a program, you’ll probably ...