Qualitron 1444 Slide Rule
The Qualitron 1444 Slide Rule is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 26 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 5 |
| Keys | 26 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 143mm |
| Width | 75mm |
| Thickness | 32mm |
| Weight | 144g |
| Power Consumption | 0.600000W |
| Power Source | 4xAA |
| Year introduced | 1975 |
Replacements:
If you have a Qualitron 1444 Slide Rule that is no longer working, you can first try replacing the 4xAA 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: