411 REFERENCE · Wiktionary
Bowmar Brain
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
Bowmar Brain
Nickname for the Bowmar 901B, the first American-made pocket calculator.
en 2012-03-04 w:Alice Rawsthorn Farewell, Pocket Calculator? w:The New York Times https://www.nytimes.com/2012/03/05/arts/design/farewell-pocket-calculator.html 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. https://web.archive.org/web/20251002022724/https://www.nytimes.com/2012/03/05/arts/design/farewell-pocket-calculator.html 2 October 2025