Object Details
- Eiko Business Machine Company
- Description
- This handheld electronic calculator has an off-white plastic case and an array of twenty rectangular plastic keys. These include ten digit keys, a decimal point key, four arithmetic function keys, a change sign key, a percentage key, a square root key, a clear entry key, and a clear key. Above the keyboard on the right is the on/off switch. Left of it is a switch for setting a constant and left of this a switch for setting the position of the decimal point.
- Behind these is an eight-digit red LED display. A mark behind it reads: UNITREX (/) mini handy 80R. A jack for a power adapter is along the back edge.
- The back has a compartment for a nine-volt battery. A mark on the back of the cover of this compartment reads: A17D03893. Text on a sticker attached to the calculator at the base of the back reads: UNITREX mini handy 80R (/) EIKO BUSINESS MACHINE CO. LTD. (/) DC 9V 0.45W MADE IN JAPAN.
- The case is very similar to that of the Unitrex Mini 8 (1986.0988.017).
- Reference:
- [Advertisement], Chicago Tribune, November 28, 1974, p. C11. Unitrex Mini Handy 80R regularly $39.95, on sale for $34.95.
- Location
- Currently not on view
- Credit Line
- Gift of John B. Priser
- ca 1974
- ID Number
- 1986.0988.018
- catalog number
- 1986.0988.018
- accession number
- 1986.0988
- Object Name
- electronic calculator
- Other Terms
- electronic calculator; Handheld
- Physical Description
- plastic (case; keys material)
- metal (circuitry material)
- paper (sticker material)
- Measurements
- overall: 7/8 in x 2 3/4 in x 5 in; 2.2225 cm x 6.985 cm x 12.7 cm
- place made
- Japan
- See more items in
- Medicine and Science: Computers
- Computers & Business Machines
- Handheld Electronic Calculators
- National Museum of American History
- Record ID
- nmah_334432
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a1-35c9-704b-e053-15f76fa0b4fa
