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, ...

A numerical table is a tool designed to save the time and labor of those engaged in computing work. The oldest tables which are preserved, were compiled in Babylon in the period 1800-1500 B.C. They ...

The Babbage Engine Exhibit opens May 10 at the Computer History Museum in Mountain View, Calif. The central artifact of the exhibit, a faithful construction of Englishman Charles Babbage's Difference ...

A rare liveaction and closeup study of the only existing Babbage Difference Engine a machine designed in the first quarter of the 19thCentury by English inventor and mathematician Charles Babbage The ...

The Computer History Museum in Mountain View, Calif., willl unveil a recreation of Charles Babbages 19th century mechanical digital calculator, the Difference Engine No. 2. Starting in May, many will ...

This is the first printing calculator sold. From ancient times, scientists and mathematicians have calculated numerical tables. These tables were often rife with error, both from incorrect ...

Calculating machines were sometimes used to compute and print the mathematical tables widely used by nineteenth century engineers, mathematicians and scientists. A small number of digital computing ...

Frustrated by human error, mathematician and inventor Charles Babbage designed a machine to perform mathematical functions and automatically print the results. Library of Congress When today’s number ...

*One of the many Gothic aspects of the Difference Engine was that the device, which was never successfully built, was never quite entirely dead, either. Babbage's youngest son, a career military ...

An early calculator designed by Charles Babbage and subsidized by the British government. Employing wheels and rods, which others had experimented with earlier, the project was started in 1821 but ...