Serd 21PD-N
The Serd 21PD-N is an arithmetic calculator with 9 digits precision and algebraic logic. It has 7 functions, 27 keys, and a VFD (vacuum fluorescent) display. Note: Elektronika MK-40
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 7 |
| Keys | 27 |
| Precision | 9 |
| Logic | Algebraic |
| Display type | VFD |
| Printer | Yes |
| Length | 275mm |
| Width | 90mm |
| Thickness | 80mm |
| Year introduced | 1982 |
Replacements:
If you have a Serd 21PD-N that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: