RT @mathsjem: I didn’t know this! https://t.co/K4OUu4twtR - The Calculator Guide from Twitter

I didn’t know this! https://t.co/K4OUu4twtR

— Jo Morgan (@mathsjem) November 23, 2018

from Twitter https://twitter.com/GuideCalculator

November 24, 2018 at 11:37AM
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