MBO alpha I (SC-40)
The MBO alpha I is a scientific calculator with 10 digits precision and algebraic logic. It has 32 functions, 39 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 4xAA sealed. The calculator was manufactured in Hong Kong.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 32 |
| Keys | 39 |
| Precision | 10 |
| Logic | Algebraic |
| Display type | LED |
| Length | 170mm |
| Width | 84mm |
| Thickness | 40mm |
| Power Consumption | 1.200000W |
| Power Source | 4xAA sealed |
| Country | Hong Kong |
| Year introduced | 1974 |
| Year discontinued | 1974 |
Replacements:
If you have a MBO alpha I that is no longer working, you can first try replacing the 4xAA sealed. 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: