This reminds me of "Have Space Suit—Will Travel" Science-fiction novel by Robert A. Heinlein, where the hero make frequent uses of his slide rule to save himsel

This reminds me of "Have Space Suit—Will Travel" Science-fiction novel by Robert A. Heinlein, where the hero make frequent uses of his slide rule to save himself from dangerous situations. https://en.wikipedia.org/wiki/Have_Space_Suit%E2%80%94Will_Travel https://en.wikipedia.org/wiki/Have_Space_Suit%E2%80%94Will_T...