Radio Shack EC-221 Handheld Electronic Calculator
Radio Shack EC-221 Handheld Electronic Calculator
Previous
Next
Usage conditions apply
- Description
- This basic handheld electronic calculator has a plastic case in two shades of gray and nineteen oval indented plastic keys. These include ten digit keys, four arithmetic function keys, a % key, a total key, a decimal point key, a clear key, and a clear entry key. At the left in the top row of keys is an on/off switch. Behind the keyboard is an eight-digit red LED display. Text at the top reads: Radio Shack. A jack for a power adapter is on the left side.
- The back of the calculator has a battery compartment for a nine-volt battery. A sticker below this reads: CAT. NO 65-609 (/) MODEL EC-221 (/) Radio Shack (/) A Division of Tandy Corporation (/) DC 9V (/) FOR 120V AC OPERATION (/) USE AC ADAPTER 65-731 (/) Serial No. 136626 (/) Made in Hong Kong.
- The calculator is in its original white cardboard box. The box describes the "Radio Shack basic five function calculator" as "ideal for all ages."
- Compare to the Radofin 1610 (1986.0988.256).
- Reference:
- Radio Shack, A Tandy Company, 1977 Catalog No. 276, p. 152, accessed September 22, 2014, at radioshackcatalogs.com. The price listed is $10.95.
- Location
- Currently not on view
- Object Name
- electronic calculator
- date made
- 1977
- maker
- Tandy Corporation
- place made
- China: Hong Kong
- Physical Description
- plastic (keys; case; display cover material)
- metal (circuitry material)
- paper (sticker; box material)
- Measurements
- overall: 7/8 in x 2 5/8 in x 5 1/8 in; 2.2225 cm x 6.6675 cm x 13.0175 cm
- ID Number
- 1986.0988.221
- catalog number
- 1986.0988.221
- accession number
- 1986.0988
- Credit Line
- Gift of John B. Priser
- See more items in
- Medicine and Science: Computers
- Computers & Business Machines
- Handheld Electronic Calculators
- Data Source
- National Museum of American History
Nominate this object for photography.
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.
Note: Comment submission is temporarily unavailable while we make improvements to the site. We apologize for the interruption. If you have a question relating to the museum's collections, please first check our Collections FAQ. If you require a personal response, please use our Contact page.
