Radio Shack EC-4007 (LCD Scientific)
The Radio Shack EC-4007 is a scientific calculator with 8 digits precision and algebraic logic. It has 27 functions, 40 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V cell. Note: Toshiba SLC-8261
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 27 |
| Keys | 40 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 122mm |
| Width | 69mm |
| Thickness | 9mm |
| Power Source | 2x1.5V cell |
| Year introduced | 1978 |
| Year discontinued | 1978 |
Replacements:
If you have a Radio Shack EC-4007 that is no longer working, you can first try replacing the 2x1.5V cell batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: