Updated: May 23, 2025 by Rebecca Bales | Leave a Comment
During the second half of the 19th and first half of the 20th century, a large number of relatively inexpensive […]
History of Computers and Computing, Calculating tools In this section will be examined some calculating tools, used by mankind in the […]
Facts about Napier’s Bones Napier’s Bones History Napier’s Bones is a manual calculating device using strips of ivory or other types […]
Updated: May 23, 2025 by Abby | Leave a Comment
3 Facts about Tachylemme of Chambon Tachylemme of Chambon History The Tachylemme calculator of the Parisian Casimir-Louis Chambon was patented in 1876 […]
Updated: May 23, 2025 by Austin S. | Leave a Comment
Judah Levin’s Adding Machine History Yehuda Leib Levin was born on March 26, 1863. He was the son of Nachum […]
: Early computers are amongst some of the most fascinating inventions around, and they were instrumental in changing the way […]
Groesbeck’s Adding Machine John Groesbeck (1834-1884), was a consulting accountant, born in New York, who lived in Philadelphia and was […]
Updated: May 23, 2025 by Rebecca Bales | 1 Comment on Golden Gem Adding Machine Explained: Everything You Need to Know
The Golden Gem Adding Machine was invented by Russian Jew, Abraham Isaac Gancher. Gancher was a former leather salesman […]
The Computometer of William George Cordingley The Englishman William George Cordingley, the author of several books for commerce and stock […]
Updated: May 23, 2025 by Heather | Leave a Comment
Invented by James J. Walsh, the Calcumeter was a unique device used for rapidly solving mathematical equations. The device […]
Updated: May 23, 2025 by Lisha Pace | Leave a Comment
: Humans are innovators. We’re always looking for a smarter, faster, more efficient way to do things. And if we […]
According to their patent, Borland and Hoffmann designed their adding machine to allow users to “add a column […]
BriCal, meaning British Calculator, is a brass calculator that was designed by Herbert and Mabel Dickinson and patented in […]
The Bassett Adder was a continuous band adding machine that was invented by James Hunter Bassett. It was in […]
Arithmachine of Henry Goldman The Arithmachinist: A Practical Self Instructor in Mechanical Arithmetic was published in Chicago, USA, in 1898. […]
From the mid-19th century to the early 20th century, inventors created a variety of mechanical calculators. Some featured nine […]
Humans have always been fascinated by the night sky and, since ancient times, have sought to invent better ways […]
About Add-A-Mite When humans first began to grasp the concept of numbers, at least in terms of quantities, they […]
Updated: May 23, 2025 by Heather Hall | Leave a Comment
Since the dawn of time, the calculator has played an integral role in how the world functions. Mathematical calculations […]
: While many of our most essential and frequently used devices were invented in the past couple of centuries and […]
: The Sector was a mathematical instrument invented around 1554. This device, which looked like two rulers hinged together on […]
: While modern humans tend to think of science in terms of innovations made during the past 100 to 200 […]
: Charles Babbage is widely recognized for inventing the first mechanical computer, the Difference Engine, in 1821. However, he never […]
Invented by Leonardo Torres in 1920, the Torres calculating machine is a machine that solves essential addition, subtraction, multiplication, […]
