Texas Instruments CAL TECH
The Texas Instruments CAL TECH is an arithmetic calculator with algebraic logic. It has 4 functions, 18 keys, and a printer. The calculator was manufactured in USA. Note: Prototype. First pocket calculator, was never marketed. Output by means of paper tape printer.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 4 |
| Keys | 18 |
| Logic | Algebraic |
| Display type | Printer |
| Printer | Yes |
| Length | 156mm |
| Width | 108mm |
| Thickness | 44mm |
| Weight | 1275g |
| Country | USA |
| Year introduced | 1967 |
Replacements:
If you have a Texas Instruments CAL TECH that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: