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:

    ADLER 81 (Type EC11)

Adler 81
Adler 81

The ADLER 81 model was made in two versions with the name in different places, as shown above. Details below.

TRIUMPH 81 (Type EC11)

TRIUMPH 81
TRIUMPH 81

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.

Anita 811

Click here to go to the Vintage Calculators Web Museum

Text & photographs copyright © 2002 - 2017 Nigel Tout, except where noted otherwise.