@bengrossbg @upzone_CA The most natural way to define exponentiation `x^p` for non-negative integer `p` is to start with 1, and then repeat `p` times the procedure of replacing the output with `x` times the output.
@bengrossbg @upzone_CA 为非负整数`p`定义幂`x^p`最自然的方法是从1开始，然后重复`p`次用`x`替换输出的过程乘以输出.