GK
INVENTIONS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
First mechanical calculator was built in 1642 by
|
|
Stephen Hales
|
|
|
Blaise Pascal
|
|
|
Gerardus Mercator
|
|
|
Thomas Newcomen
|
Explanation:
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 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-3: -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.
There is 1 question to complete.