Pascal’s Calculator : In the year 1642, a French scientist named Blaise Pascal invented the machine used for addition called Pascal’s calculation. It is a mechanical calculator that normally represents the position of each digit with the help of gears in it. Pascal calculator was the first calculator invented in the mid 17th century.
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.The basic principle of his calculator is still used today in water meters and modern-day odometers. Instead of having a carriage wheel turn the gear, he made each ten-teeth wheel ...
Pascal’s calculator (Pascaline) Pascal was only 19 years old, when he invented the oldest surviving mechanical calculator with an automatic decimal position carry out method. He created it to reduce some of the workload of his father, who was a tax comissioner in Rouen that time. The numbers to add or subtract could be set by the small metal ...
Blaise Pascal (1623-1662) In the eyes of the world, the first mechanical calculator was invented by Blaise Pascal. Born in 1623 in Clermont-Ferrand, in the Auvergne region of France, Blaise was the son of a well-heeled lawyer who served as the deputy president (judge) of the local tax court – a position that he had, in the tradition of the time, purchased from the government.
Blaise Pascal invented the second mechanical calculator, called alternatively the Pascalina or the Arithmetique, in 1645, the first being that of Wilhelm Schickard in 1623.. Pascal began work on his calculator in 1642, when he was only 19 years old. He had been assisting his father, who worked as a tax commissioner, and sought to produce a device which could reduce some of his workload.
As part of the large topic of Mechanical Computing, this lesson delves into Blaise Pascal's pioneering invention - the Pascaline. Blaise Pascal, a renowned French mathematician and philosopher, invented this mechanical calculator in 1642 to assist his father in tax collection tasks.
The Need for a Mechanical Calculator. Pascal’s foray into computing was inspired by a practical challenge. In the 1640s, assisting his father with tax computations, Pascal recognized the painstaking labor involved in arithmetic calculations. Determined to simplify these tasks, he set out to design a mechanical device that could perform basic ...
French mathematician and philosopher Blaise Pascal invented the world’s first mechanical calculator in 1642 to help his father, who was the area’s tax inspector. The machine worked perfectly, was able to carry the numbers from the column of units to the column of tens by means of a ratchet mechanism and was fully functional. Blaise decided ...
Blaise Pascal was one of the world’s most renowned philosophers, inventors, mathematicians, physicists, and all-round smart guys. He lived in 17 th century France, born in 1623 and dying at the age of 39, achieving much in his many career paths. He was a child prodigy, observing his fathers work as a tax collector in Rouen had a strong influence on him and created a love for mathematics ...
Pascal‘s Groundbreaking Calculator. Blaise Pascal spent three years creating 50 prototypes before unveiling his mechanical calculator in 1642. It could reliably add and subtract two numbers directly and perform multiplication and division through repeated addition or subtraction. Pascal was inspired to automate tedious calculations required ...
Blaise Pascal invented the mechanical calculator in 1642. He conceived the idea while trying to help his father who had been assigned the task of reorganizing the tax revenues of the French province of Haute-Normandie ; first called Arithmetic Machine, Pascal's Calculator and later Pascaline, it could add and subtract directly and multiply and ...
The device was dubbed Pascal’s calculator, or the Arithmetique, or the Pascaline. Pascal continued to improve his design over the next several years and built a total of 50 Pascaline machines. The first Pascaline could handle 5-digit numbers only, but Pascal then developed 6 and 8-digit versions of this machine.
Pascal's Calculator. Blaise Pascal invented the mechanical calculator in 1642. He conceived the idea while trying to help his father who had been assigned the task of reorganizing the tax revenues of the French province of Upper Normandy; first called Arithmetic Machine, Pascal's Calculator and later Pascaline, it could add and subtract two numbers directly and multiply and divide by repetition.
New Calculators. Latest Update - latest additions have the date added. Displays are 8-digits unless described otherwise. Go to 0-9 A B. 0 - 9. 1000PR (This calculator is a bit of a puzzle - this may be the model number.). 1000PR, 4-function, %, square root, green VFD, 4-AA rep batt., 84x132x30mm / 3.3x5.2x1.2". Photo.
Apr Birth of John Adam Presper Eckert Jr., co-designer of ENIAC and other early computers with John Mauchly [9-Apr] Jun Birth of Stanley Frankel, Manhattan Project Nuclear Physicist, and later gifted computer & calculator designer. See Old Calculator Museum exhibit on the SCM/Marchant Cogito 240SR for more information. [6-Jun] Jul Birth of Frank S. Wyle, founder of Wyle Laboratories [23-Jul]
Common Pressure Units. Pascal (Pa): The SI unit of pressure, equal to one newton per square meter (N/m²) Kilopascal (kPa): 1,000 pascals, commonly used in meteorology Bar: Approximately equal to atmospheric pressure at sea level, used in many applications PSI (Pounds per Square Inch): Common in US and UK for tire pressure, gas pressure, etc. Atmosphere (atm): Approximately equal to Earth's ...
Free online Psychrometric Calculator . Print. IP SI altitude. b press. T dry bulb rH rel.humidity TDP dew point W abs. humidity h enthalpy Tw wet bulb sp. vol Add line: Calculate ...
