Radio Shack EC-221 Handheld Electronic Calculator
Radio Shack EC-221 Handheld Electronic Calculator
- 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
- date made
- 1977
- maker
- Tandy Corporation
- place made
- Zhonghua: 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
- Handheld Electronic Calculators
- Computers & Business Machines
- Data Source
- National Museum of American History
