After the introduction of electronic components known as transistors in the 1950s, a few manufacturers began to sell desktop electronic calculators. In the 1970s, inexpensive electronic calculators, ...

Put away the laptop, the calculator and the adding machine - and try filing your taxes using an abacus. That's right, an abacus.

The Adding Machine was not the first calculator, but it was the first mainstream calculator to essentially take over almost the entire market. Not only that, ...

Top adding machine for your office for the money. Casio HR-170RC Plus, Min-Desktop Printing Calculator. What you need to know: This machine prints in two colors and is half the price of most of ...

Top adding machine for your office for the money. Casio HR-170RC Plus, Min-Desktop Printing Calculator. What you need to know: This machine prints in two colors and is half the price of most of ...

Remington-Rand Model 73 adding machine. Source: National Museum of American History Mechanical calculators using input methods that the modern user can relate to would wait for quite some time.

Posted in Hackaday Columns, Retrotechtacular Tagged adding machine, calculator, mechanical calculator, nine's complement, Pascal, Pascaline Binary Adder Will Give You Slivers October 13, 2009 by ...

An early adding machine, c. 1890, invented by William Seward Burroughs, grandfather of the beat writer. National Museum of American History Today every phone is a calculator, but in the late 1800s ...

Read more. 1820 Thomas De Colmar. The first calculating machine put into serial production was the Arithmomètre (arithmometer) of the French entrepreneur Charles-Xavier Thomas de Colmar (1785-1870).

While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the world.