The below is an off-site archive of all tweets posted by @AndreasKlingler ever

April 16th, 2019

fermatslibrary Euler was born exactly 312 years ago. All the following symbols and notations were introduced by Euler. pic.twitter.com/kI2ky4U3h5

via Buffer (retweeted on 11:27 PM, Apr 16th, 2019 via Tweetbot for iΟS)