Dave Richesonさんのイラストまとめ

LaTeX realhats package—\hat{a} put real hats (dunce cap, Santa hat, top hat, cowboy hat, etc.) on symbols instead of â. https://t.co/M6DqPNWIe6

Want a better pencil & paper game than tic-tac-toe? Try Conway/Paterson's Sprouts. Start with n dots. Connect 2 dots or a dot to itself without crossing another curve & so each dot has at most 3 curves coming out. Add a dot in the middle of the curve. Last player with a move wins