This is showing off just how much mathematical power you have, that you can work out a constant like Pi to very high precision.
这说明你的数学能力很强,你可以以非常高的精度计算出像 Pi 这样的常数。
英语百科
Exponentiation
Exponentiation is a mathematical operation, written as b, involving two numbers, the baseb and the exponentn. When n is a positive integer, exponentiation corresponds to repeated multiplication of the base: that is, b is the product of multiplying n bases: