Models Derived from
ANITA Hand-held Calculators
minitron 831B
minitron 831B
Display is 8 digits, red LED.
4 functions, %, memory, square root, square, reciprocal.
4.5v (3x AA batteries).
69 mm x 118 mm x 24 mm (2.8" x 4.7" x 1").
Elektronska industrija-Niš, made in Yugoslavia (now Serbia).
To replace the batteries the rear cover slides up, which also reveals the label which shows:
Ei (Electronics industry) Factory Calculating Machines Niš.
Has the three-pin adaptor socket so it can be powered from the ANITA AC Adaptor while containing disposable, non-rechargeable, batteries.
For comparison here is the ANITA 831, which has less functionality.
Models Derived from Anita Hand-held Calculators
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