"Even the +, −, =, and x signs we take for granted only came into widespread use in the 17th century. Which means that the earlier algebraists we know of … all had expressed their equations mostly in ...
Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.
The Goldilocks solution to our math crisis is where relatable problems aren’t so simple that there’s no learning but also not so complex and irrelevant that there's none.
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