Commodore SR4148R (SR-4148R)
 
  The Commodore SR4148R is a scientific calculator with 10 digits precision and algebraic logic. It has 30 functions, 48 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA sealed. The calculator was manufactured in USA.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Scientific | 
| Functions | 30 | 
| Keys | 48 | 
| Precision | 10 | 
| Logic | Algebraic | 
| Display type | LED | 
| Length | 152mm | 
| Width | 81mm | 
| Thickness | 30mm | 
| Weight | 158g | 
| Power Consumption | 1.500000W | 
| Power Source | 3xAA sealed | 
| Country | USA | 
| Year introduced | 1974 | 
| Year discontinued | 1975 | 
Replacements:
If you have a Commodore SR4148R that is no longer working, you can first try replacing the 3xAA 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: