Busicom 812-SL (Colex)
The Busicom 812-SL is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 4xN. Note: Made by Colex.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Arithmetic | 
| Functions | 6 | 
| Keys | 24 | 
| Precision | 8 | 
| Logic | Algebraic | 
| Display type | VFD | 
| Length | 143mm | 
| Width | 77mm | 
| Thickness | 17mm | 
| Weight | 172g | 
| Power Consumption | 0.900000W | 
| Power Source | 4xN | 
| Year introduced | 1975 | 
| Year discontinued | 1975 | 
Replacements:
If you have a Busicom 812-SL that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: