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HT
A-100
1973
HT
K-106/P
1974

Híradástechnika K-832

Brief History
After the previous HírBow canadian-hungarian coopeation-made calculators using arithmetic logic, this model was the first built with algebraic logic, so the basic operations can be made with usual keying. It's shape is similar to K-83 and to K-831, but some keys have different placements.
Manufacturer:Híradástechnika Szövetkezet (Hungary)
OEM:Bowmar-Ali Inc. https://www.replicawatchuk.cz/ (USA)
OEM model:MX-55
Mfg. date:1974
Size:7,7×14,8×3,3 cm
Weight (ready for operate):197 g
Type:four-function
Capacity:8 digits (input/display)
8 digits (internal precision)
Operating logic:algebraic
CPU:Western Digital LC1552B
Registers:2 standard (with saving the pending operation)
Features:%calculation with percent Ffloating-point notation
Display:8+1 digit LED (Bowmar Optostic)
Power:3×AA NiCd rechargeable battery (built-in)
chargeable with E-69 adaptor




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K-831 (2)
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Bowmar
MX-55
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K-831 (3)
1974
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