The Keystone 395 is a calculator produced by the Keystone corporation in the mid-1970s.
| File:Keystone 395.jpeg | |
| Calculator | |
|---|---|
| Display type | Panaplex II |
| Display size | 8 digits (and negative indicator) |
| CPU | |
| Processor | Rockwell A1241PA |
| Programming | |
| Programming language(s) | N/A |
| Interfaces | |
| Ports | 3.5mm TS connector |
| Other | |
