The man who built the first Mechanical Calculator was ______________.
The man who built the first Mechanical Calculator was Blaise Pascal.
Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as supervisor of taxes in Rouen.
The First Mechanical Calculator. Blaise Pascal, noted mathematician, thinker, and scientist, built the first mechanical adding machine in 1642 based on a design described by Hero of Alexandria (2AD) to add up the distance a carriage travelled.
Mathematician Blaise Pascal was born on June 19, 1623, in Clermont-Ferrand, France. In the 1640s he invented the Pascaline, an early calculator, and further validated Evangelista Torricelli's theory concerning the cause of barometrical variations.
In 1642, at the age of 18, Pascal invented and build the first digital calculator as a means of helping his father perform tedious tax accounting. Pascal's father was the tax collector for the township of Rouen. The device was called Pascal's calculator or the Pascaline or the Arithmetique.