| Manufacturer: |
Casio, Inc., for Commodore Business Machines |
| Model Number: |
1121 |
| Casio Internal ID: |
12D |
| Serial Number: |
100312 |
| Date of Manufacture: |
Early 1969 |
| Manufactured In: |
Japan by Casio |
| Original Price: |
$795 |
| Weight: |
14 Pounds |
| Size: |
12" Wide, 13 1/2" Deep, 5" High |
| Power Requirement: |
23 Watts, 117V AC, 60Hz |
| Display Technology: |
Nixie Tube, Hitachi CD-71
|
| Logic Technology: |
Small and Medium Scale Integration NEC-made MOS ICs |
|
Four Plug-In Circuit Boards, Phenolic |
|
60 Integrated Circuit devices |
| Digits of Capacity: |
12, No Lead Zero Suppression |
| Decimal Modes: |
Fixed or Floating (see exhibit text) |
| Arithmetic Logic: |
Arithmetic |
| Math Functions: |
Four Function |
| Constant: |
Multiplication and Division only |
| Memories: |
1 Accumulator-Style |
| Other Features: |
Fixed Decimal Round-Off Mode |
|
Unique Fixed or Floating Decimal Mode |
| Notes: |
Gives incorrect answers with divisors >11 digits |
|
Commodore-badged version of Casio 121 |
| Other Models: |
Commodore 1161 (16-Digit Capacity) |