Which adding machines for your office are best? While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...

For most of human history, doing arithmetic, while sometimes aided by devices like the abacus or adders, was fundamentally an act of human intelligence. In the 17th and 18th century, a few natural ...

As part of All Things Considered's series on now-obsolete sounds, listeners recall fond memories of the old mechanical adding machine. We asked listeners to send sounds from older technologies, things ...

Which adding machines for your office are best? While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...