Litronix 1740A (checkmate 1740)
The Litronix 1740A is an arithmetic calculator with algebraic logic. It has an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Logic | Algebraic |
| Display type | LED |
| Length | 165mm |
| Width | 81mm |
| Thickness | 23mm |
| Power Source | 3xAA batteries |
| Year introduced | 1975 |
Replacements:
If you have a Litronix 1740A that is no longer working, you can first try replacing the 3xAA batteries. 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: