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, ...

As you might expect from its name, the "Difference Engine" is a strangely difficult object to describe. You might start by imagining the side of a large crib with uprights ringed by small metal wheels ...

Innovation stems from the minds of individuals who recognize a need and strive to develop a new way to fill it. One such innovation was the difference engine, an automatic mechanical calculator ...

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 ...

In the early 19th century, Charles Babbage invented an automated calculation machine he named the ‘difference engine’. While Babbage’s original Difference Engine was judged a failure (time and costs ...