
| 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 |
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Feature |
Description |
Case: |
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Color case: |
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Color keyboard: |
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Weight: |
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Voltage selection: |
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Adapter: |
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Power consumption: |
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Working condition: |
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Printed Circuit Boards (PCB's): |
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Memories: |
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Memories indication: |
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Prog. steps: |
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Decimal point handling: |
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Rounding: |
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Calculation overflow indication: |
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Input overflow indication: |
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Divide by Zero indication: |
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Square root of negative value indication: |
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Negative value indication: |
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Constant function: |
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Calculation speed: |
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Auto Power-off: |
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Display details: |
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Printer: |
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Extra features/remarks: |
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Initial price: |
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Overall quality rate (1-10): |
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OEM-copies: |
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Other sources of info: |
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Advertisements/Publications: |
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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 ^

Label ^