Sep 20 2023

Short Stuff: Origin of Math Signs

Short Stuff 14 min 1 movie discussed
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Have you ever stopped mid-pencil mark and realized to your astonishment where the plus sign came from? Then this one’s for you.

AI Summary

This episode dives into the fascinating history of the mathematical symbols we use every day, exploring how plus, minus, multiplication, division, and equals signs came to be and why they were so desperately needed. Josh and Chuck trace these symbols back to their origins, revealing that before these handy notations existed, mathematicians had to write out entire word problems to explain calculations, and some even used metered verse to describe equations. You'll learn about the clever minds who decided enough was enough and created shortcuts that would forever change how we communicate mathematics, from Robert Record's brilliant equal sign inspired by parallel lines to the international standardization battles that eventually retired the obelisk division symbol.


Movies Discussed

In Retrospect
In Retrospect
2021 7m
★ 9.5
"Listen to In Retrospect on the I Heart Radio app, Apple Podcasts, or wherever you find your favorite shows. β€” Advertisement for the In Retrospect podcast about pop culture moments from the past."

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