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 While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...

This ten-key printing manually operated adding machine has an black aluminum frame with a steel keyboard painted green. The white plastic digit keys are arranged in two rows and marked with digits and ...

This small seven-wheeled stylus-operated non-printing adding machine has a metal case painted green and covered with felt on the back. It sits in a brown bakelite stand. A stylus fits in the ten holes ...