| Manufacturer: | SINGER |
| Model: | 1112 |
| AKA: | Friden 1112 Type KK, Form 12 1112 ELECTRONIC CALCULATOR |
| Year: | 1967 |
| Display: | Nixie (12+1) |
| Circuits: | Transistors |
| Dimensions: | 500x380x245 mm |
| Power type: | 220V |
| Origin: | Japan |
| S/N: | P30042841 |
| Owner: | DEVIDTS Serge |
| Info: | Made by HITACHI, which produced their own version... the ELCA: 12 |
Nixie-display ^
Sign-tube ^
Number-separating (vertical bar)
^
e.g.: 12 [*] 25
Keyboard ^
Keyboard (back) ^
Switching-mechanism ^
Internals ^
See a detailed front of one the
Nixie-prints (Print 3/14)
See a detailed back of one the Nixie-prints (Print 3/14)
Detail of Power supply ^
Connector wiring (back) ^
Transistor World ^
HITACHI: 2SA17
Made by HITACHI ^
Sold by Singer (Friden) ^
German tutorial ^
Advertisment out of a Dutch magazine
| Task | How to type | Result |
| 946+538 | 946 [+=] 538 [+=] | 1484 |
| 657+492 | 657 [+=] 492 [-=] | 165 |
| -530+820 | 530 [-=] 820 [+=] | 299 |
| 139-567 | 139 [+=] 567 [-=] | -428 |
| 6.14*78.2 | 6.14 [x] 78.2 [+=] | 535.408 |
| 369*682*34 | 369 [x] 682 [+=] [*] 34 [+=] | 8556372 |
| 359.83*514 359.83*45.36 (Use of a constant) |
359.83
[x]
514
[+=] [R] [x] 45.36 [+=] |
184952.62 16321.8888 |
| (8.25*593)+(186*734)-(2.93*326) | [Sigma-switch]
ON 8.25 [x] 593 [+=] 186 [x] 734 [+=] 2.93 [x] 326 [-=] |
4892.25 141416.25 140461.07 |
| (290+4801)*6.27 | 290 [+=] 4801 [+=] [x] 6.27 [+=] | 31920.57 |
The number to divide and the divider is limited to 10 positions.