Casio 121-U Calculator

 Home > Browse Our Collection > Calculators > Electronic Calculators > Casio 121-U Calculator
 

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.calcuseum.com/SCRAPBOOK/BONUS/11136/1.htm

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

Manufacturer: Casio
Date: 1973

Other Systems Related To Casio 121-U Calculator:

Item Manufacturer Date
Casio HR-110T Casio Unknown
Casio Digital Diary SF-3300ER Casio Unknown
Casio CA901 Calculator Game Watch Casio Unknown
Casio AL-10 Electronic Calculator Casio 1976
Casio FX-110 Scientific Calculator Casio 1977
Casio AQ-1000 Calculator Casio 1978
Casio Mini-Card MC-34 Casio 1980
Casio fx-310 Casio 1980
Casio FT-21 Fortune Telling Calculator Casio 1981
Casio FX-720P Casio 1982
Casio FX-602P Casio 1982
Casio MG-777 Calculator Casio 1982
Casio HS-8G Casio 1985
Casio FX-750P Casio 1985
Casio FX-7000G Graphing Calculator Casio October 1985
Casio FX-730P Casio 1986
Casio FX-850P Casio 1987
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 Digital Diary SF-4300A Casio 1993
Casio fx-82SX Casio 1996
Casio CFX-9850GC Plus Calculator Casio 1996
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


Click on the Image(s) For Detail


Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum