Description
The Casio fx-81 is a scientific calculator with 9 digits precision and algebraic logic. It has 32 functions, 38 keys and an LCD (liquid crystal) display. The power source is 2xAA batteries.
Casio fx-81
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- Contact: Aaron C. Sylvan,
Board Chair - Address: IT History Society
534 Third Avenue
Suite 1248
Brooklyn, NY 11215 - Email: info@ithistory.org
