Unisonic LC 223 CK Handheld Electronic Calculator

Description
This credit card-sized calculator has a metal case and twenty-three rectangular plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, and four memory keys. The bottom row of keys also has a clear entry/clear key, a square root key, and a percentage key. An on button and an off button are above the keyboard. Left of these, a mark reads: Unisonic (/) LC 223 CK. Left of this is an eight-digit liquid crystal display. A mark on the back of the calculator reads: Unisonic LC223 CKB (/) 1.5V BATTERY x 2 PCS (/) EVEREADY BATTERY NO189 (/) SERIAL NO. 7294327 (/) MADE IN TAIWAN. Unscrewing two screws in the back makes it possible to change the two tiny Toshiba batteries. A mark on the circuit board reads: 102P. A mark on the chip reads: W5.
Compare 1987.0988.322.
For information about Unisonic, see 1986.0988.371.
No advertisements found.
Location
Currently not on view
Object Name
electronic calculator
date made
ca 1982
maker
Unisonic
Physical Description
metal (case material)
plastic (keys material)
glass (display material)
Measurements
overall: 1/4 in x 3 1/2 in x 2 1/4 in; .635 cm x 8.89 cm x 5.715 cm
place made
Taiwan
ID Number
1987.0435.14
catalog number
1987.0435.14
accession number
1987.0435
subject
Computers & Business Machines
Handheld Electronic Calculators
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of John B. Priser
Additional Media

Visitor Comments

Add a comment about this object

**Please read before submitting the form**

Have a comment or question about this object to share with the community? Please use the form below. Selected comments will appear on this page and may receive a museum response (but we can't promise). Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts.

Have a question about anything else, or would you prefer a personal response? Please visit our FAQ or contact page.

Personal information will not be shared or result in unsolicited e-mail. See our privacy policy.

Image CAPTCHA
Enter the characters shown in the image.