Christel Hamann’s difference engine was a type of mechanical calculator made in the 1900s. It was automatic and could help people calculate and arrange polynomial functions used in science, ...

Early calculators were unwieldy, noisy, smelly machines that required constant maintenance. Local mechanical engineer Mark Glusker collects them and museum exhibit designer Maria Mortati explores them ...

“The first digital use of the transistor for consumers was in a calculator,” says Rick Bensene, curator of the Old Calculator Web Museum. Our series on the birth of the transistor — and with it, the ...

Calculators have evolved over centuries from large computing machines into today’s highly functional, pocket-sized devices capable of performing complex computations, graphing multiple lines at once ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is one of the first fully ...

This photograph shows La Pascaline, the first mechanical calculating machine, invented by French polymath Blaise Pascal, displayed at the Christie's auction house in Paris, on September 11, 2025.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This full-keyboard, electric ...

Calculators have evolved over centuries from large computing machines into today’s highly functional, pocket-sized devices capable of performing complex computations, graphing multiple lines at once ...

[PARIS] Christie’s said on Wednesday (Nov 19) it was suspending the Paris auction of one of just a handful of examples of the world’s first calculating machine, developed by French mathematician and ...