I have very fond memories of high school geometry. Memorizing theorems wasn't too hard, and solving proofs was like solving the logic puzzles that I did for fun anyway. But the theorems were scattered ...

THIS is an interesting contribution to the subject treated of by Riemann, Helmholtz, and others, and in this country by Prof. Clifford. The question is considered from the standpoint of elementary ...

Do you remember being in school, working on algebra formulas, geometry theorems, and all sorts of math stuff, and wondering, "When will I EVER use this in real life? I'm pretty sure the adult me will ...