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1975
Hardware Description
The Litronix 1720 checkmate 1720 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 25 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA batteries.
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Model Number:
1720 Checkmate -
Manufacturer:
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Hardware Type:
Calculator -
Manufacture Year:
1975 -
More Info:
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