Casio FT-21

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1981
Description

The Casio FT-21 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 11 functions, 28 keys and an LCD (liquid crystal) display. The power source is 3V cell.

Legacy Content: Unknown Author
Hardware Type
Calculator
Manufacturer
Casio Computer Co. Ltd.
Model Number
FT-21
Launch Date
1981

Citations:

Courtesy of Calculator.org
Courtesy of Centre for Computing History
Courtesy of MyCalcDB
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