🦤 🔢

Short for “Dodo Math.” Dated math topics, questions, or heuristics that may still interest some curious or eccentric recreational mathematicians or math educators, who in turn might share their “new knowledge” with a geeky or gray-haired audience keen to learn about the mathematics of yesteryear.

Square rooting and finding logarithms with a slide rule and on an abacus are two 🦤 🔢 lessons popular among symbol-minded senior citizens.

by Covido December 30, 2022