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# Blaise Pascal

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## Mirtill Dézsi

on 12 February 2014

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#### Transcript of Blaise Pascal

1623-1662

French mathematician, inventor, physicist, writer and philosopher
contributed to many areas of mathematics

Blaise Pascal
he was born in Cermont-Ferrand
in 1631 Pascal with his family moved to Paris
he showed an amazing aptitude for mathematics and science
when he was 16 years old, he made a short treatise, called the "Mystic Hexagram" and sent it to Pére Mersenne in Paris
it is still known today as Pascal's theorem
Pascal's 1st serious work
of mathematics
Pascal's calculator
His "Treatise on the Arithmetical Triangle" of 1653 described
a convenient tabular
presentation for binomial coefficients,
now called Pascal's triangle
in the Pascal's triangle each number is the sum of the two directly above it
all at the same height and the same point of quiescent liquid, the pressure is equal in all directions, even if excess pressure is outside of its own weight effects on it
in static fluid the pressure spreads without reduce in all directions
Pascal's law
In 1662, Pascal's illness became more violent, and his emotional condition had severely worsened since his sister's death, which happened the previous year
he died on the morning of 18th August 1662
his last words were "May God never abandon me"
Pascal's last year
Pascal's theorem
It states that if a hexagon is inscribed
in a circle (or conic)
then the three intersection points of opposite sides lie on a line (called the Pascal line).
in 1639 his father was appointed to the king's commissioner of taxes
in 1642 in an effort to ease his father's calculations, Pascal not yet 19, constructed a mechanical calculator capable of addition and subtraction, called Pascal's calculator or the Pascaline
Pascal's triangle
Pascal's early years
Full transcript