For Sale: Tested and working vintage mini electronic calculator.
Shows some wear, worst of which is crack in the battery cover as shown in photo. Works 100%- all keys good, all functions check, good VFD display with no bad segments.
Info from Calculator.org:
The Unisonic 811 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAAA.
| Feature |
Value |
| Type: |
Arithmetic |
| Functions: |
6 |
| Keys: |
20 |
| Precision: |
8 |
| Logic: |
Algebraic |
| Display type: |
VFD |
| Length: |
134mm |
| Width: |
82mm |
| Thickness: |
30mm |
| Weight: |
132g |
| Power Consumption: |
0.400W |
| Power Source: |
4xAAA |
| Year introduced: |
1976 |
| YearDiscontinued: |
1976 |
Email me your zip code for a shipping quote - should be between $4.99 and $6.99 if you are in the US. (June 2020)
