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 ...

Difference Engine 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 ...

When I was in college, several decades ago, I relied heavily on a computational device called a slide rule and on a little, paperbound handbook of mathematical and scientific tables. I occasionally ...

Charles Babbage is widely recognized for inventing the first mechanical computer, the Difference Engine, in 1821. However, he never managed to build any of his many designs. Pehr-Georg Scheutz, a ...

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 ...

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 ...

Nineteenth-century computer pioneer Charles Babbage is taken back—via Lego. Andy Carroll, an apparently highly-skilled Lego builder and mathematician, created this functional mechanical computer, ...