Apparently, this user prefers to keep an air of mystery about them.
37 Why is an ellipse, hyperbola, and circle not a function? nov 10 '14
28 What is $0\div0\cdot0$? jul 22
25 Is π equal to 180$^\circ$? feb 16
24 How would you count a base > 36 system? jul 1 '14
18 Why do differentiation rules work? What's the intuition behind them? (Not asking for proofs) oct 2