Sunday, July 16, 2017

The Strange and Righteous History of the Equals Sign

The Strange and Righteous History of the Equals Sign

1 comment:

Don Coffin said...

Very cool. By the way, I learned where the concept of 0 as a part of a number like 306 came from, by reading a Rex Stout novella, "The Zero Clue." And now I know where + and - and = signs came from.