This small, thin, flat handheld electronic calculator has a metal case and an array of twenty-four rectangular plastic keys. The ten digit keys and decimal point key are white. The total key, four arithmetic function keys, three memory keys, the change sign key, the % key, and the square root key are brown. The clear and clear entry keys are red. The on/off switch is to the left on the top row of keys.
Behind the keyboard is an eight-digit LCD display. Text behind it reads: Radio Shack. Text below the keyboard reads: statesman thin LCD.
The calculator has a brown plastic backing; the cover is missing.
Compare Radio Shack EC-267 (1986.0988.045).
References:
Radio Shack, A Tandy Company, 1980 Catalog No. 315, p. 166, accessed September 26, 2014, at radioshackcatalogs.com. The price listed for the EC-257 calculator is $19.95.
Radio Shack, A Tandy Company, 1981 Catalog No. 328, p. 164, accessed September 22, 2014, at radioshackcatalogs.com. The price listed for the EC-258 calculator is $17.95.
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.