Radio Shack EC-2001 Desktop Electronic calculator

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Description
This lightweight, non-printing electronic calculator has an array of nine digit keys at the center, with a zero bar and a decimal point key below these. On the right are arithmetic and clear keys. On the left are percentage, percent change, gross profit margin, item count, clear memory, recall memory, memory subtraction, and memory addition keys. Above the keys are switches between a floating and a fixed decimal point, a constant switch, and a power switch. Behind is a ten-digit vacuum fluorescent diode display. A cabinet has space for two D batteries. A jack for a cord is at the back but there is no cord.
A mark on the front of the machine reads: Radio Shack. A label on the back reads: CAT. NO. 65-660 (/) MODEL EC-2001 (/) Radio Shack, A DIVISION (/) OF TANDY CORPORATION. It also reads: S/NO. 430793 4A2 (/) MADE IN TAIWAN. The interior of the calculator has a single circuit board which has a mark that reads: J (/) 5729 (/) K. The chip by Texas Instruments has a mark that reads: TMC1073NL (/) MBS 8205 (/) PHILLIPINES.
Radio Shack advertised the EC-2001 in American newspapers as early as 1978 and as late as 1985. The regular price in 1978 was $29.95.
Compare the Lloyd’s Accumatic E680-3 (1986.0998.006) and Unisonic XL-101 (1986.0988.004).
References:
[advertisement], Boston Globe, December 5, 1978, p. 15.
[advertisement], New York Times, March 21, 1985, p. A22.
date made
1978-1985
maker
Tandy Corporation
place made
Chung-hua Min-kuo
Physical Description
plastic (case, keys material)
glass (display material)
Measurements
overall: 6 in x 6 1/2 in x 2 in; 15.24 cm x 16.51 cm x 5.08 cm
ID Number
1986.0988.007
catalog number
1986.0988.007
accession number
1986.0988
Credit Line
Gift of John B. Priser
subject
Business
See more items in
Medicine and Science: Computers
Desktop Electronic Calculators
Computers & Business Machines
American Enterprise
Exhibition
American Enterprise
Exhibition Location
National Museum of American History
Data Source
National Museum of American History, Kenneth E. Behring Center

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