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 ...

Grant’s difference engine was invented in 1876 by George Grant. It was a calculating machine and was invented as a way to advance the current calculating machine technology. It used the latest design ...

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 ...