Models Derived from
ANITA Hand-held Calculators
ADLER 81 & Triumph 81
The ANITA 811 was the first ANITA hand-held electronic calculator, launched in 1972.
Versions of this calculator were also supplied to the Litton Industries subsidiary TA Vertriebs, of Germany, as its Adler 81 and Triumph 81 models, as shown below:
The ADLER 81 model was made in two versions with the name in different places, as shown above. Details below.
The TRIUMPH 81 model was made in two versions with the name in different places, as shown above.
ADLER 81 (Type EC11) & Triumph 81 (Type EC11)
Display: 8 digits, red LED.
Functions: 4 functions, %, memory.
Batteries: 4.5v (3x AA cells).
Size: 69 mm x 118 mm x 24 mm (2.8" x 4.7" x 1").
TA Vertriebs - GmbH,
85008500 Nurnberg [Germany].
Made in England.
The switch position "5/4" on these models is the same as that marked with a semi-circle on the ANITA, below, and indicates that the answer will be rounded, and will be to 2 decimal places.
The ADLER 81 and TRIUMPH 81 are versions of the ANITA 811, shown on the left, labeled for sale by Triumph-Adler. The ANITA 811 was the first Anita hand-held calculator to go on sale.
Models Derived from Anita Hand-held Calculators
Text & photographs copyright © 2002 - 2017 Nigel Tout, except where noted otherwise.