1. A computer that was completely out-of-date in conception was designed by Ch. Babbage.
2. The idea of mechanical calculating mathematical spreadsheets first came to Babbage in 1812 or 1813.
3. Babbage wanted to use electricity to automate the creation of logarithm tables.
4. At that time, steam was a reliable and unexplored source of energy.
5. In 1854, a Swedish writer built a working Difference Engine based on Babbage's ideas.
6. The Analytical Engine consisted of four basic components: the mill, the store, the keyboard and the printer.
7. The store of the Analytical Engine was to be large enough to hold 1,000 50-digit numbers.
8. The Analytical Engine was successfully completed.