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At a young age, I gave up on trying to master the latest high-fives, hand signs and generally trying to be cool.
I couldn't do the math.
But math geeks can, and Ben Orlin at Math With Bad Drawings is apparently the coolest. He can show you how all of the various high fives relate to math.
Just one sample, since I put germaphobes in the title:
The Asymptote. This representation of one of the coolest behaviors a function can have is also good for germaphobes afraid of physical contact.
And he has 13 more!
The Math Aficionado’s Guide to High-Fives - Math With Bad Drawings
