Interton PC 4020
| Manufacturer: | Interton Electronic () |
| Mfg. date: | 1975-76 |
| Size: | 7,7×14,3×2,4 cm |
| Weight (ready for operate): | n.a. |
| Type: | extended four-function |
| Capacity: | 8 digits (input/display) 8 digits (internal precision) |
| Operating logic: | |
| CPU: | MOS MPS7541 007 |
| Registers: | 2 standard (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | %calculation with percent +/-change sign (direct entry of negative numbers) Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0-7) Sqrsquare root x2square 1/xreciprocal |
| Display: | 9 digit (Itron FG95A) |
| Power: | 9V elem vagy adapter |
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