TI-81 Programmable Calculator
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The Texas Instruments TI-81 is a programmable calculator with 10 digits precision and formula input logic. It has 50 keys and an LCD (liquid crystal) display. The power source is 4xAAA + CR1620 3V. The calculator was manufactured in Taiwan.
Information from calculator.org.
Manufacturer: Texas Instruments
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This exhibit has a reference ID of CH65622. Please quote this reference ID in any communication with the Centre for Computing History.