
| Manufacturer: | DENON (NIPPON COLUMBIA COMPANY) |
| Model: | DEC61A4 |
| AKA: | |
| Year: | 1969 |
| Display: | Nixie (14+1) |
| Circuits: | Combination Discrete components / I.C.'s |
| Dimensions: | 390x298x100 mm |
| Power type: | 220V |
| Origin: | Japan |
| S/N: | |
| Owner: | DEVIDTS Serge |
| Info: |

Keyboard ^
1. Negative indication
2. Memory Recall
3. Constant
4. Multiplication
5. Overflow-indication
6. Memory-indication
7. Square Root
8. Divide
9. Rounding- / Floating point switch
10. Recall
11. Decimal switch
12. Add
13. Subtract
14. Ten-key
15. Clear
16. Clear Display
17. Clear memory
18. Subtract from memory
19. Add to memory
20. Automatic memory mode
21. 14-digit display / Zero-mask
Other info:
calculation time for
adding/subtracting: 0.01s
calculation time for dividing and multiplication: 0.25s
calculation time for square root: 0.5s
Weight: 6kg
New price (1972): DM1.925 = ca. $950

Calculating examples ^