Triumph 81SN (EC63)
The Triumph 81SN is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 27 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAAA batteries. Note: Adler 81SN
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 5 |
| Keys | 27 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 135mm |
| Width | 74mm |
| Thickness | 15mm |
| Weight | 90g |
| Power Source | 3xAAA batteries |
| Year introduced | 1978 |
| Year discontinued | 1978 |
Replacements:
If you have a Triumph 81SN that is no longer working, you can first try replacing the 3xAAA 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: