Invented by Leonardo Torres in 1920, the Torres calculating machine is a machine that solves essential addition, subtraction, multiplication, and division problems using a simple manner. It was a ...

The first calculating machines multiplied by repeated addition. To multiple by tens, hundreds, or larger units, one shifted the carriage. From the 1870s, a few inventors proposed machines that could ...

Here these are called adding machines, and discussed in a separate object group of that name. The two most common mechanisms for calculating machines are the stepped drum and the pinwheel. Machines of ...

"Our model combines two decision tree algorithms, trained on thickness measurements and 39 features, including ice velocity, mass balance, temperature fields, and geometric and geodetic variables.

Though still in use in today, the abacus was merely the beginning of mankind’s interest in calculating machines, which have evolved radically over the years. Here we share with you a visual history of ...

Reffelt's Calculating Machine. On supporting science journalism. If you're enjoying this article, consider supporting our award-winning journalism by subscribing.

THE first calculating machine was invented in 1642 by Blaise Pascal. Had it not been for the War, the tercentenary of this event, which has had such a profound influence on applied mathematics and ...

1954: IBM builds the first calculating machine to use solid-state transistors instead of vacuum tubes. IBM already had a business selling calculating machines, and it was humming along quite nicely.

It first appeared in 1948, and for the next two decades—until it was displaced by the electronic calculator—it was the best portable calculating machine on the planet.

From the 30-ton calculating machines of the 1940s to Apple's portable laptops of today, see how computers have changed throughout the years. Business Insider Subscribe Newsletters ...

An 'exceptionally rare' pocket-sized calculator from the 17th Century is expected to attract £100,000 at auction. The Arithmetical machine is one of the first mechanical calculating devices known ...