Texas Instruments TI-1200 Handheld Electronic Calculator

Texas Instruments TI-1200 Handheld Electronic Calculator

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This handheld electronic calculator has a black plastic case and a metal keyboard. It has an array of nineteen rectangular black plastic keys. These includes ten digit keys, a decimal point key, a total key, four arithmetic function keys, a clear key, a clear entry key, and a percentage key. The on/off switch is on the left edge. A mark above the keys reads: TI-1200.
A mark above the keyboard on the left reads: TEXAS INSTRUMENTS. Behind the keyboard is an eight-digit LED display.
A jack for a power outlet is along the back edge. A sticker on the back reads: US PAT 3819921 AND OTHER PATS PENDING (/) TEXAS INSTRUMENTS (/) TI-1200 (/) Serial No. 2583849. The sticker indicates that the calculator should be recharged using an AC9180 adapter/charger. It also reads in part: ASSEMBLED IN USA. Below the sticker is a compartment for a nine-volt battery. A mark below it reads: 3276 LTA.
Unscrewing four screws in the back reveals the display and a chip. A mark on the chip reads: TMS0972NL (/) ZA0348. This is a TMS0972 chip.
The calculator comes in a cardboard box. The box has prices listed on it of 12.76, $10.50., and 7.99. A slip in the box describes the terms of the Texas Instruments warranty, effective June 13, 1976.
Currently not on view
Object Name
electronic calculator
Other Terms
electronic calculator; Handheld
date made
Texas Instruments
Physical Description
plastic (case; keys material)
metal (keyboard; circuitry material)
paper (box; warranty material)
overall: 1 1/4 in x 2 1/8 in x 5 1/4 in; 3.175 cm x 5.3975 cm x 13.335 cm
ID Number
catalog number
accession number
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
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Picked up one of these today with the box, Cost $1.00. Awesome piece for technology for 1976, love the display.

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