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 While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...

The Burroughs Adding Machine can still be purchased today from sites like eBay, usually for between $70 and $300, or more depending on the condition of the machine. At one point the Burroughs Adding ...

A woman standing next to a calculator taller than herself. Though we may not think about it, math and calculations permeate our everyday lives. We calculate tips at restaurants, determine how much ...