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 While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...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 gray-green manually operated ten-key printing adding machine has two rows of white plastic number keys, including complementary numbers for subtraction. There are multiply and non-add keys on the ...

This printing electric adding machine has a gray plastic case, a block of ten number keys, TOTAL, SUB-(/)TOTAL, -, and X keys to the right of the number keys, and two larger keys, one at each side of ...