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Welcome


Welcome to the Virtual Museum of Calculators! This website is dedicated to mechanical and electronic calculators, slide rules and all other things related to calculations.

Have a pleasant journey in the world of calculators!

Calculator Showroom


Showroom for all types of calculators.

New category: Mechanical Calculators!
Recent changes in the Calculator Showroom:

EMG
HUNOR 131
1966-70
Olympia
CD72
1974-75
Interton
PC 4008
1974
Sharp
EL-7001
1981
Sharp
EL-7000
1980-81
Sharp
PC-1500
1981-85
Addiator
Perplex
1930-as évek
Addiator
Duplex
1930-1950 k
Addiator
Addiator
1930-1974
More calculators can be found in Calculator Showroom, where you can filter machines according to your interest, e. g.

Calculators


From our articles:

Calculators Made by Híradástechnika Szövetkezet

In 1973, a cooperative company Híradástechnika made an agreement with Bowmar Canada to assemble their calculators in Hungary. In the next years, more and more types were manufactured there...

Danaddo

After the World War II, Danuvia decided to plan office equipments - portable typewriters and calculators, but only a small addiator-like calculator was suitable for production...
More articles can be found in the Calculators section.  

Slide Rules


From our articles:

In the second half of 1940s, the hungarian industrial politics decided that instead of importing expensive foreign slide rules, domestic production has to be started...

ROTOR Circular Slide Rule

There were a very interesting hungarian circular slide rule named Rotor which have been produced by Telefongyár (Factory of telephones) from 1933 to 1938 under their own patent...
You can try some models of slide rules. The slide and the window are movable with the mouse...
More articles can be found in the Slide Rules section.  

Slide Rule Showroom


Most recent changes in the Showroom:

KÖMI 101. sz. V.
1252
1951-55
KÖMI 101. sz. V.
2512
1951-55
Gamma Művek
1947-49
ITG
Darmstadt
1951-53
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