# ネイピア数、オイラー数、自然対数の底、Napier's constant、the basis of natural logarithm、Euler's number、e

[[ e = \lim_{n \to \infty} ( {1 + \frac{1}{n}} )^n = \displaystyle\sum_{n=0}^\infty \frac{1}{n!} ]]

number of decimal places = 100

e =

2.7182818284590452353602874713526624977572470936999595749669676277240766303535475945713821785251664274…