Thomas' arithmometer, the first commercially successful machine, was manufactured in 1851; it was the first mechanical calculator strong enough and reliable enough to be used daily in an office environment.

The world's first mechanical calculator is usually attributed to the precocious French polymath, Blaise Pascal (1623-1662). Motivated by the tedium of adding up long columns of tax figures for his father, …

Schickard, Pascal, and Leibniz built the first mechanical calculators. These machines marked the beginning of automatic computation, as mechanical levers, gears, and wheels replaced the human …

May 23, 2025 · In 1642, Blaise Pascal invented a mechanical calculator with a complex carry mechanism. After three years of work and 50 prototypes, he released his calculator to the world. In …

Until 1645, Pascal worked on improvements to the machine, which was called the Pascaline. It resembled the mechanical calculators of the 1940s. The French money system presented Pascal …

Pascaline, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between …

Nov 11, 2023 · The first mechanical calculator capable of direct multiplication was invented in 1709 by Italian Giovanni Poleni. Built from wood, it used pins to enter digits and could also perform division …

Schickard combined Napier’s Bones, for multiplication and division, with a toothed-wheel system to add and subtract. It is the earliest known mechanical four-function calculator. Schickard was a minister, …

Thus began Pascal’s endeavor to design the first mechanical calculator, known as the Pascaline. The Pascaline was ingeniously designed to perform basic arithmetic functions—addition and …

In the eyes of the world, the first mechanical calculator was invented by Blaise Pascal.