There he saw a calculating machine for the first time. In a report on the fair, Barnard wrote: To most persons the process of calculation involves a species of mental labor which is painful and ...

Oddly, Leibniz didn’t use the term stepped reckoner but called the machine Instrumentum Arithmeticum. Many of us remember when a four function electronic calculator was a marvel and not even ...

The decision to use electronics for our calculating machines has long been decided. However, that doesn’t mean that mechanical engineers didn’t put up a valiant, if ultimately futile ...

He’d had an amazing idea, a way of building a calculating machine that would be able to do difficult sums. At that time, there was no electricity so his idea was to use parts of clocks.

There he saw a calculating machine for the first time. In a report on the fair, Barnard wrote: To most persons the process of calculation involves a species of mental labor which is painful and ...