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Radio Shack TRS-80 (PC-1)

Radio Shack TRS-80
Image: Joe Haupt, CC BY-SA 2.0

The Radio Shack TRS-80 is a programmable calculator with 12 digits precision and algebraic logic. It has 57 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 4x1.5V cell. The calculator was manufactured in Japan. Note: Sharp PC-1211

Facts at a glance:

FeatureValue
TypeProgrammable
Keys57
Precision12
LogicAlgebraic
Display typeYLCD
PrinterExternal
Length71mm
Width176mm
Thickness16mm
Weight170g
Power Consumption0.011000W
Power Source4x1.5V cell
CountryJapan
Year introduced1980
Year discontinued1981

Replacements:

If you have a Radio Shack TRS-80 that is no longer working, you can first try replacing the 4x1.5V cell batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by Radio Shack