Bowmar Brain

English

Noun

Bowmar Brain (plural Bowmar Brains)

1. Nickname for the Bowmar 901B, the first American-made pocket calculator.
   • 2012 March 4, Alice Rawsthorn, “Farewell, Pocket Calculator?”, in The New York Times‎^[1]:

     The first one small enough to fit inside a shirt pocket was the Busicom LE-120A Handy, which was introduced in Japan in early 1971, followed months later by the Bowmar 901B, or “Bowmar Brain,” in the United States.