Texas Instruments TI-30
The Texas Instruments TI-30 is a scientific calculator with 8 digits precision and algebraic logic. It has 28 functions, 40 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is PP3 9V battery. The calculator was manufactured in Italy; USA.
This is the original in a long line of scientific calculators designated TI-30 (with various suffixes over the years), and sold in vast numbers. It is possibly the all-time best selling calculator.
Texas Instruments continues to use this name for its mainstream scientific calculator, mainly aimed at the education market.
Note: Possibly the all-time best selling calculator
A sample of this calculator is held in the calculator.org collection.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 28 |
| Keys | 40 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LED |
| Length | 145mm |
| Width | 80mm |
| Thickness | 33mm |
| Weight | 111g |
| Power Source | PP3 9V battery |
| Country | Italy; USA |
| Original price | $25 |
| Est. current value | $5 |
| Year introduced | 1976 |
| Year discontinued | 1990 |
Replacements:
If you have a Texas Instruments TI-30 that is no longer working, you can first try replacing the PP3 9V battery. 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: