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

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

Boots

636

1980

Casio

fx-330

1979-80

Casio

fx-2500

1978-79

Sharp

IQ-7000

1988-90

Sharp

PA-7000

1987-89

Casio

FX-702P

1981-84

Addiator

Perplex

1930-as évek

Addiator

Duplex

1930-1950 k

Addiator

Addiator

1930-1974

• 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

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

Slide Rules Made by Gamma

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...

Virtual Slide Rules

You can try some models of slide rules. The slide and the window are movable with the mouse...

Slide Rule Showroom

Hemmi

No. 130 Darmstadt

1961

Aristo

Nr. 967U DarmstadtTry It!

1965

Nestler

Nr. 21 Darmstadt

1940-es évek

Faber-Castell

1/54 Darmstadt

1968