RT @mathsjem: Symbols! https://t.co/XoHERCHYHo - The Calculator Guide from Twitter

Symbols! pic.twitter.com/XoHERCHYHo

— Jo Morgan (@mathsjem) July 10, 2018

from Twitter https://twitter.com/GuideCalculator

July 11, 2018 at 01:47AM
via IFTTT