Texas Instruments TI-1031 Handheld Electronic Calculator

This handheld electronic calculator has a light tan plastic case and metal keyboard with an array of twenty-four rectangular plastic keys. These include ten digit keys, an on/clear key, a decimal point key, a total key, four arithmetic function keys, an off key, a square root key, a percentage key, and four memory keys. A mark at the top of the keyboard reads: TEXAS INSTRUMENTS. A mark at the base of the keyboard reads TI-1031. Behind the keyboard an eight-digit LCD display.

The back of the calculator has a compartment for two very small batteries. Text above it reads in part: TEXAS INSTRUMENTS (/) electronic calculator. The space for a serial number is blank. The date mark reads: ATA2881. It also reads: ASSEMBLED IN USA.

The calculator fits in a light tan plastic jacket. Penciled inside it is the name: JON HAgSTRANd. The instruction leaflet inside the jacket is entitled Texas Instruments TI-1031 Portable Electronic Calculator. The copyright date is 1980.

Compare 1986.0988.089 (the TI-1030).

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