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Casio ML-81

The Casio ML-81 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 31 keys and an LCD (liquid crystal) display. The power source is 2x1.5V cell. The calculator was manufactured in Japan.

​One of these calculators was used as a key prop in the fifth episode of the 80's American sci-fi/horror anthology series Tales from the Dark Side. The episode was written and directed by James Sadwith  and starred Danny Aiello, Tom Noonan, and Robert Weil. It was broadcast on Sunday, October 21, 1984. The story was entitled "The Odds" and concerned a bookie who never turns down a bet who ends up betting on the time of his death against a man who has never lost a bet.

Facts at a glance:

Type Arithmetic
Functions 6
Keys 31
Precision 8
Logic Algebraic
Display type LCD
Display size
Length 57 mm
Width 114 mm
Thickness 9 mm
Weight unknown g
Power Source 2x1.5V cell
Country Japan
Original price unknown
Est. current value unknown
Year introduced 1980
Year discontinued 1981

See other calculators manufactured by Casio.