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 ...

Christel Hamann’s difference engine was a type of mechanical calculator made in the 1900s. It was automatic and could help ...

From ancient times, scientists and mathematicians have calculated numerical tables. These tables were often rife with error, both from incorrect calculations and from errors in reproduction. In the ...

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 ...