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:
- If you want to see only scientific calculators, click here.
- Or interested in Facit-made ones? click here.
- Even you can compare the first hungarian-made scientific calculators by clicking here...
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...
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...
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