A big-name new book, featuring a few of my scraggly illustrations.
苹果手机如何使用instagram
苹果手机如何使用instagram
A story isn't a story if you scream it all at once.
苹果手机如何使用instagram
Your chance to help shape a forthcoming book.
苹果手机如何使用instagram
Pencil, paper, and a little flash of genius.
苹果手机如何使用instagram
This high school math teacher is drawing low-key comparisons to Richard Feynman.
苹果手机如何使用instagram
35 of my silliest, stupidest, and most heartfelt math cartoons.
苹果手机如何使用instagram
A 9-year-old scrawls an innocent problem... and suddenly 3D surfaces are intersecting in 4D space.
苹果手机如何使用instagram
Tricky equivalences.
苹果手机如何使用instagram
Visually stimulating. Mathematically rich.
“What Makes a Great Teacher?” Answered by 4 Great Teachers
Four different (and wise) answers.
