Adler EC 60 Handheld Electronic Calculator

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This relatively large handheld electronic calculator has an array of ten digit keys on the front, and four colored keys for division, multiplication, subtraction and addition along the right front. To the left of the zero key is a clear key, to the right a decimal point key. Behind the keys is a six-digit blue-green fluorescent display. Behind this is space for four 1.5 volt batteries. There also is a plug for a power adapter.
A mark on the front behind the display reads: ADLER 60. Stamped on the bottom of the plastic case are instructions for a typical calculation. A tag attached there reads: T-A Vertriebs-GMBH. 85 Nürnberg (/) Type EC 60 (4x1.5V-Dry Batteries or (/) AC Adapter AD (/) Made in Japan No. 65053135.
Adler calculators were made in Japan for the German firm of T-A Vertriebs-GmbH. According to online sources, the calculator dates from about 1973 and used an Omron chip.
John Wolff's Web Museum,
Currently not on view
date made
ca 1973
T-A Vertriebs-GmbH
place made
Physical Description
plastic (overall material)
metal (overall material)
overall: 1 1/2 in x 3 3/4 in x 6 1/4 in; 3.81 cm x 9.525 cm x 15.875 cm
ID Number
catalog number
accession number
Credit Line
Gift of John B. Priser
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History


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