Updated: July 24, 2023 by Rebecca Bales | Leave a Comment
Alexander Davies was a former clerk and accountant who invented a slide bar adder. The device worked by using […]
Charles Corliss In 1868, Charles Corliss, a farmer and landowner from Haverhill, Massachusetts, received two patents (one of the patents […]
Born in 1615, Charles Cotterell was an English courtier who wore many hats throughout his life. He worked as […]
In the 1800s, machines called single adders were used. Marshall Cram made one such machine, although it could only […]
The Computometer of William George Cordingley The Englishman William George Cordingley, the author of several books for commerce and stock […]
Updated: July 24, 2023 by Lisha Pace | Leave a Comment
: About Hugo Cook The Indiana-born engineer and instrument maker Hugo Cook (1856-1944) was a holder of many US patents from […]
Updated: April 19, 2024 by Rebecca Bales | Leave a Comment
History of Computers and Computing, Calculating tools, Gadgets, Cathrinus Nikolay Arbo Collett Cathrinus Nikolay Arbo Collett In late 1860s, Cathrinus Nikolay Arbo […]
Samuel Comfort (1837-1923) of Morrisville, Pennsylvania, (see biography of Samuel Comfort) attained considerable distinction as an inventor of improvements […]
: Born in 1847 in Springfield, Massachusetts, Gilbert Chapin received his education in common schools and even worked on a […]
Updated: July 24, 2023 by Abby | Leave a Comment
The first mechanical cash register was patented in 1879 by brothers James and John Ritty. While on a steamboat […]
: Humans are innovators. We’re always looking for a smarter, faster, more efficient way to do things. And if we […]
Updated: July 24, 2023 by Heather | Leave a Comment
Invented by James J. Walsh, the Calcumeter was a unique device used for rapidly solving mathematical equations. The device […]
David Carroll was an American inventor who invented an adding machine. This machine was made from wood and metal […]
: Burridge and Marshman were initially known simply as typewriter inventors. However, together they invented an adding machine, adding and […]
Updated: December 18, 2024 by Abby | Leave a Comment
: The Scottish inventor and arithmetician, George Brown, had an affinity for all things numbers. He lived during the 1600-1700s […]
Jabez Burns was an American inventor who developed numerous machines, including a coffee roaster, water closet, and window shade […]
: Some inventors’ names are synonymous with their inventions. For example, Thomas Edison is well known for inventing the incandescent […]
: Viktor Bunyakovsky was a renowned Russian mathematician who lived in the 19th century. He introduced several new mathematical concepts […]
: When we think of the arithmetical calculator, we think of a small, rectangular, electronic device that can fit in […]
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BriCal, meaning British Calculator, is a brass calculator which was designed by Herbert and Mabel Dickinson and patented in […]
In 1642, Blaise Pascal invented the first mechanical calculator. Inventors continued to invent new calculators and adding machines. Some […]
According to their patent, Borland and Hoffmann designed their adding machine to allow users to “add a column […]
: Frank Bone was a civil engineer from Warren County, Ohio who invented a keyboard adding machine. This machine could […]
Updated: December 18, 2024 by Heather | Leave a Comment
The Bassett Adder was a continuous band adding machine which was invented by James Hunter Bassett. It was in […]
: John Ballou Newbrough was a man of many talents and pursuits. From his early days as a student […]
: While Friedrich Arzberger worked in mining and as a professor, he has a footnote in history for having […]
Updated: July 24, 2023 by Austin S. | Leave a Comment
Policarpo de Balzola was a Basque mathematician and inventor from Irun, Spain. He only received an elementary school education, […]
Jan Józef Baranowski was the son of a nobleman and received an excellent education at the Minsk classical gymnasium […]
Arithmachine of Henry Goldman The Arithmachinist: A Practical Self Instructor in Mechanical Arithmetic was published in Chicago, USA, in 1898. […]
Humans have always been fascinated by the night sky and, since ancient times, have sought to invent better ways […]
From the mid-19th century to the early-20th century, inventors created a variety of mechanical calculators. Some featured nine or […]
It’s often said that necessity is the mother of invention. This is certainly the case when it comes to […]
About Add-A-Mite When humans first began to grasp the concept of numbers, at least in terms of quantities, they […]
Updated: October 13, 2023 by David Beren | Leave a Comment
: The modern CPU or Central Processing Unit is basically the “brain” of a computer. It is responsible for processing […]
Updated: July 24, 2023 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 […]
In 1930, Vladimir Lukianov was an engineer with the Central Institute of Railway Engineers in Moscow. There, he worked […]
: While many of our most essential and frequently used devices were invented in the past couple of centuries and […]
Updated: September 17, 2024 by Lisha Pace | Leave a Comment
: While modern humans tend to think of science in terms of innovations made during the past 100 to 200 […]
: The Sector was a mathematical instrument invented around 1554. This device, which looked like two rulers hinged together on […]
: Martin Wiberg The inventor, Martin Wiberg, (September 4, 1826-December 29, 1905) was born in Viby, Sweden. He is known to […]
: Charles Babbage is widely recognized for inventing the first mechanical computer, the Difference Engine, in 1821. However, he never […]
: Throughout history, humans have made independent, more or less simultaneous discoveries and inventions. For example, Sir Isaac Newton and […]
: What are Analog Computers: Complete Explanation A computer that processes analog data is known as an analog computer. Analog computers […]
Grant’s difference engine was invented in 1876 by George Grant. It was a calculating machine and was invented as […]
Updated: July 22, 2023 by Rebecca Bales | Leave a Comment
Invented by Leonardo Torres in 1920, the Torres calculating machine is a machine that solves essential addition, subtraction, multiplication, […]
Christel Hamann’s difference engine was a type of mechanical calculator made in the 1900s. It was automatic and could […]
Innovation stems from the minds of individuals who recognize a need and strive to develop a new way to […]
Updated: April 16, 2024 by History Computer Staff | Leave a Comment
Louis Couffignal Louis Pierre Couffignal (1902-1966), a French Mathematician and Cybernetics pioneer, was born in Monflanquin, Fâcheries, on 16 March […]
Created by Charles Babbage, the Analytical Engine was a general-purpose, completely program-controlled, mechanical digital computer with no human intervention. […]
Difference Engine A numerical table is a tool designed to save the time and labor of those engaged in computing […]
