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 While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...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 manual adding machine has a brown case and two rows of white plastic keys with digits and complementary numbers for subtraction. Multiply and non-add keys are on the left, and ...

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 ...