How Does One Multiply with Napier’s Rods?
Napier's multiplication and division rods, deriving from the basic multiplication table, simplify calculations considerably.
Herbert Bruderer
Advertisement
How Does One Calculate With A Circular Slide Rule?
The circular slide rule was widely used until the 1970s.
The Evolution of Computing Power in Switzerland
Milestones in the history of computing from the Swiss National Supercomputing Center, Lugano.
Soresini: A Very Rare Book on the History of Computing
The work is an extremely instructive, rich history of calculating technology. It also includes the analog world and automata, and is written in Italian.
Babbage wanted to control his analytical engine, regarded as the ancestor of the modern-day computer, with punched cards.
The World’s Most Magnificent Historical Calculating Machines
The design of today's electronic computers is usually not very appealing, in contrast to magnificent mechanical calculating machines from earlier times.
The World’s Most Magnificent Historical Automatons
Automatons are ubiquitous. Some of the most magnificent works in the genre have survived in museums.
Konrad Zuse’s Guestbook: a Treasure Trove
Computer scientist Konrad Zuse created the world's first programmable computer, the functional program-controlled Turing-complete Z3.
Shape the Future of Computing
ACM encourages its members to take a direct hand in shaping the future of the association. There are more ways than ever to get involved.
Get Involved