![NYS Education Department on Twitter: "Happy #TriviaTuesday! Many people use a calculator almost every day. Do you know who invented the mechanical calculator? https://t.co/4X9GdYFcUS" / Twitter NYS Education Department on Twitter: "Happy #TriviaTuesday! Many people use a calculator almost every day. Do you know who invented the mechanical calculator? https://t.co/4X9GdYFcUS" / Twitter](https://pbs.twimg.com/media/EbNLrCwVAAMz3bq.jpg)
NYS Education Department on Twitter: "Happy #TriviaTuesday! Many people use a calculator almost every day. Do you know who invented the mechanical calculator? https://t.co/4X9GdYFcUS" / Twitter
![Inventor of the Hand-Held Calculator, Jerry Merryman Dies at 86 - Brand Icon Image - Latest Brand, Tech and Business News Inventor of the Hand-Held Calculator, Jerry Merryman Dies at 86 - Brand Icon Image - Latest Brand, Tech and Business News](https://3.bp.blogspot.com/-n6b0wD0Kbcs/XH-CpT63S-I/AAAAAAAA1Pg/jgJc8fw-oNIgnnCRIxOSXPkmGfnq0ki_ACLcBGAs/s1600/images%2B%252818%2529.jpeg)
Inventor of the Hand-Held Calculator, Jerry Merryman Dies at 86 - Brand Icon Image - Latest Brand, Tech and Business News
![Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious](https://c8.alamy.com/comp/2A265F9/pascals-calculator-also-known-as-the-arithmetic-machine-or-pascaline-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-fathers-work-as-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-2A265F9.jpg)