EMG HUNOR 81
Brief History
From the early 1970s, EMG (Factory for Electronic Measuring Instruments) was developing a new IC-based calculator family.
The first member (Hunor 81) was announced at the Budapest International Fair '73. The hungarian industry was not able to
produce state-of-the-art integrated circuits at this time, so these contains Texas Instruments CPU. The display was unusual, built
from 9 pieces of japanese incandescent display elements, but due to problems with this construction, later replaced by
VFD tubes.
| Manufacturer: | Elektronikus Mérőkészülékek Gyára (Hungary) |
| OEM: | https://www.ukclonewatch.me/ (ismeretlen) |
| OEM model: | n.a. |
| Mfg. date: | 1973 |
| Size: | 18,2×20,8×5,9 cm |
| Weight (ready for operate): | 950 g |
| Price: | HUF 13.700 (MIGÉRT, 1974) |
| Type: | four-function desktop |
| Capacity: | 8 digits (input/display) 8 digits (internal precision) |
| Operating logic: | arithmetic |
| CPU: | Texas Instruments TMS0105NC |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) |
| Features: | %calculation with percent Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0, 1, 2, 4) |
| Display: | 8+1 digit incandescent (9×FUJI 3015-F) |
| Power: | 220V AC rechargeable battery (optional) |
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