FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Pascaline, also called Arithmetic Machine, 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 1642 and 1644.

Detailed explanation-2: -Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father’s work as the supervisor of taxes in Rouen. He designed the machine to add and subtract two numbers directly and to perform multiplication and division through repeated addition or subtraction.

Detailed explanation-3: -Pascal invented the first digital calculator to help his father with his work collecting taxes. He worked on it for three years between 1642 and 1645. The device, called the Pascaline, resembled a mechanical calculator of the 1940s.

Detailed explanation-4: -It was used till the 1970s. PASCAL’S ADDING MACHINE (1642 AD) • In 1642 AD, Blaise Pascal, a French mathematician, invented a calculating machine named Adding Machine. This machine was capable of doing addition and subtraction. This device is known as the First Calculator of the world.