TSI SPEECH PLUS
The TSI SPEECH PLUS is an arithmetic calculator with algebraic logic. It has 6 functions, 23 keys, and an LED (light-emitting diode) display typical of calculators of this era. Note: Spelling/speech synthesizer
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 23 |
| Logic | Algebraic |
| Display type | LED |
| Length | 115mm |
| Width | 180mm |
| Thickness | 32mm |
| Weight | 500g |
| Year introduced | 1975 |
| Year discontinued | 1976 |
Replacements:
If you have a TSI SPEECH PLUS that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: