Casio 121-E Desktop Electronic Calculator

Description:

This compact, nonprinting desktop electronic calculator has a black plastic case and gray keyboard. At the center of the keyboard is an array of nine digit keys with a zero bar and a decimal point key below. On the right are keys for arithmetic functions and memory. On the left are clearance, total and percentage keys. Behind the keyboard are tubes for the twelve-digit display. On the right side is an on/off switch. This example lacks a power cord.

A tag on the bottom reads in part: Casio 121-E. It also reads: SERIAL NO. B 706848 (/) CASIO COMPUTER CO., LTD. MADE IN JAPAN. Another tag reads: QCNo. Q 7470. A piece of tape on the bottom reads: 5/13/74. A tag on the back reads: FOR SERVICE CALL (/) FOREMOST BUSINESS MACHINE CO. (/) 871-0053 MINNEAPOLIS, MINNESOTA.

The approximate date of 1974 is taken from the tape on the bottom of the machine.

Date Made: ca 1974

Maker: Casio Computer Company, Ltd.

Location: Currently not on view

Place Made: Japan

Subject: Business

Subject:

See more items in: Medicine and Science: Computers, Computers & Business Machines, Desktop Electronic Calculators

Exhibition:

Exhibition Location:

Credit Line: Gift of John B. Priser

Data Source: National Museum of American History

Id Number: 1986.0988.002Catalog Number: 1986.0988.002Accession Number: 1986.0988

Object Name: electronic calculatorOther Terms: electronic calculator; Desktop

Physical Description: plastic (case, keys material)glass (display tubes material)Measurements: overall: 7 in x 8 in x 2 13/16 in; 17.78 cm x 20.32 cm x 7.112 cm

Guid: http://n2t.net/ark:/65665/ng49ca746a1-3b6c-704b-e053-15f76fa0b4fa

Record Id: nmah_334416

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.