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 1980s 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.
Note: Music keys. Clock
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 31 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 57mm |
| Width | 114mm |
| Thickness | 9mm |
| Power Consumption | 0.012000W |
| Power Source | 2x1.5V cell |
| Country | Japan |
| Year introduced | 1980 |
| Year discontinued | 1981 |
Replacements:
If you have a Casio ML-81 that is no longer working, you can first try replacing the 2x1.5V cell. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: