Texas Instruments Little Professor
The Texas Instruments Little Professor is a specialist calculator with 8 digits precision and n/a logic. It has 4 functions, 18 keys, and an LCD (liquid crystal) display. The power source is 2xLR44 cells.
This device is not a calculator at all, but a learning device to teach children multiplication tables and other arithmetic. It has appeared in a number of versions since the 1970s.
Note: Not strictly a calculator, but a popular arithmetic teaching game for children which has been manufactured in several different versions over time.
A sample of this calculator is held in the calculator.org collection.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Specialist |
| Functions | 4 |
| Keys | 18 |
| Precision | 8 |
| Logic | n/a |
| Display type | LCD |
| Length | 134mm |
| Width | 71mm |
| Thickness | 10mm |
| Power Source | 2xLR44 cells |
| Year introduced | 1989 |
| Year discontinued | 1993 |