Casio 121-U Calculator

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Manufacturer: CASIO
Model: 121U
AKA: MODEL 121-U
Year: 1973
Display: VCF-tubes (12+1)
Circuits: NEC: µPD284C
Dimensions: 215x175x55 mm
Power type: 6V-4xC / Adapter
Origin: Japan

Further information at http://www.devidts.com/be-calc/desk_11136.html

This together with a soft cover was kindly donated by John Young

Manufacturer: Casio
Date: 1973

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Casio Digital Diary SF-3300ER Casio Unknown
Casio AL-2000 Programmable Calculator Casio 1970
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Casio AL-10 Electronic Calculator Casio 1976
Casio FX-110 Scientific Calculator Casio 1977
Casio AQ-1000 Calculator Casio 1978
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Casio FX-720P Casio 1982
Casio FX-602P Casio 1982
Casio MG-777 Casio 1982
Casio PB-110 Casio 1983
Casio FX-910 Casio 1984
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Casio FX-750P Casio 1985
Casio FX-7000G Graphing Calculator Casio October 1985
Casio FX-730P Casio 1986
Casio FX-570 Casio 1986
Casio FX-850P Casio 1987
Casio FT-21 Fortune Telling Calculator Casio November 1988
Casio FX-82L Fraction Casio 1989
Casio FX-8500G calculator & FA-80 Interface Casio 1989
Casio FX-250D Casio 1990 to 1990
Casio FX-82LB Fraction Casio 1993 to 1994
Casio fx-82SX Casio 1996
Casio CFX-9850GC Plus Calculator Casio 1996
Casio Digital Diary SF-4300A Casio 1997
Casio fx-83MS Casio 2000
Casio FX-9750GII Casio 2009
Casio FX-9750G Casio 2009

This exhibit has a reference ID of CH32624. Please quote this reference ID in any communication with the Centre for Computing History.

 

Casio 121-U Calculator


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