(chiefly US) To perform a mathematical calculation.

(informal) Discrete mathematics.

A rhythmically complex, often guitar-based style of experimental rock music that emerged in the late 1990s.

Alternative form of new math

(Canada, US) The act of performing quick mathematics often as a means of estimation, as if done on the back of a napkin (or in one's head).

in education, a derogatory term for reform mathematics / a catch phrase used by American politicians to describe numbers that they claim do not add up correctly

(historical, slang) The Curta, a cylindrical hand-held mechanical calculator invented in the 1930s.

plural of math grenade

plural of math circle

(education) An informal space where people study and discuss mathematics, often involving games, hands-on activities, or competition.