RT @IL0VEthe80s: For budding 80s mathematicians https://t.co/UsrkYl4SxH - The Calculator Guide from Twitter

For budding 80s mathematicians http://pic.twitter.com/UsrkYl4SxH

— I❤80s (@IL0VEthe80s) September 7, 2017

from Twitter https://twitter.com/GuideCalculator

September 07, 2017 at 11:54AM
via IFTTT