Back then, he thought he was inventing a playback dictaphone machine, which would make life easier for clerks taking notation from bosses. He had no idea that his invention would spawn a multi ...

Rule 16 displays a chessboard and a game in progress, asking for the next best move in chess notation as the next addition to your password. But what if you’ve never played chess before?

The fonts are available royalty-free under the SIL Open Font License. Version 2 of the STIX fonts, now known as "STIX Two", is a thorough revision undertaken by the renowned type house Tiro Typeworks ...