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http://www.biography.com/people/blaise-pascal-9434176

http://www.maths.tcd.ie/pub/HistMath/People/Pascal/RouseBall/RB_Pascal.html

http://fabpedigree.com/james/grmatm3.htm#Pascal

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This is a replica of the early calculator Pascal invented

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The number in each row is determined by adding the number above and to the left.

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Towards the end of the year 1654, Blaise got into an accident crossing a bridge where he could have lost his life. This account persuaded him to retire and become more religious once again. His last mathematical work was about the geometry of cycloids in1658.

Pascal passed in 1662 in Paris, France. He died of a malignant stomach tumor that had reached his brain. Hundreds of years later in the 1970s his name was given to the unit of pressure that refers to a single newton acting on a square-meter of surface- the Pascal unit.

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In 1641 Pascal published his work called Essay on Conic Sections. This work affected the field of projective geometry- it discussed the transfer of a 3D object onto a 2D field.

Pascaline. This calculator was able to add, subtract, multiply, and divide. The Pascaline never became popular and lasted less than a year in production. However, his invention led to computer scientist Nicklaus Wirth naming a computer language after Pascal.

In the early 1650s, Pascal was focused on perpetual motion. He wanted to create something that created more energy than it used. He created a roulette machine, roulette being a word for “little wheel” in French.

In 1653, Pascal invented the arithmetical triangle.

Starting in 1654, Pascal teamed up with mathematician Pierre de Fermat and made a discovery that became the basis of probability. Through his own experiments he proved nothing happens randomly- there is a fixed probability for everything.

Pascal studied a lot about binomial coefficients, which later influenced the discoveries made by Sir Isaac Newton.

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Etienne Pascal (Blaise’s father) decided to educate Blaise himself instead of sending him to school. He felt that his son was too consumed by his interest in geometry and needed help focusing on other subjects so he left mathematics entirely out of the curriculum. The lack of math made the subject more intriguing for Blaise, so he began studying it on his own at age 12. Etienne saw his son’s passion for mathematics and finally allowed him to attend meetings at the mathematics academy. At 16 years old Blaise presented some of his first theorems at one of these meetings. Pascal continued to study and experiment mathematics on his own and with other mathematicians like Pierre de Fermat.

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Blaise Pascal was born in 1623 in Clermont-Ferrand, France. As a child he was very close with his three sisters and his mathematician father, Etienne. His mother passed at a very young age. In1646 Pascal’s father got into a car accident. The caretakers for his serious injuries influenced the family to becomeJansenists, a branch of Christianity.