TI-81 Calculator
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The Texas Instruments TI-81 is a graphing calculator with 10-digit precision and formula input logic. It was the first graphing calculator produced by Texas Instruments when released in 1990. It features a Toshiba T84C00 CPU (Z80-based). It has 50 keys and an LCD (liquid crystal display) screen. It is powered by 4xAAA and a CR1620 3V. The calculator was manufactured in Taiwan. Manufacturer: Texas Instruments Other Systems Related To TI-81 Calculator:This exhibit has a reference ID of CH65622. Please quote this reference ID in any communication with the Centre for Computing History. |
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