**Blaise Pascal: Philosopher Mathematician**

Lived approx. 1623 to 1662, France

*Notable Quotes*:

"I cannot judge my work while I am doing it. I have to do as painters do, stand back and view it from a distance, but not too great a distance. How great? Guess." Quoted in W H Auden and L Kronenberger, The Viking Book of Aphorisms

"It is the heart which perceives God and not the reason." Pensées (1670)

**1640 Pascal **publishes Essay pour les coniques (Essay on Conic Sections).

**1642 Pascal **builds a calculating machine to help his father with tax calculations. It performs only additions.

**1653 Pascal **publishes Treatise on the Arithmetical Triangle on "Pascal's triangle". It had been studied by many earlier mathematicians.

**1654 Pascal **publishes his Treatise on the Equilibrium of Liquids on hydrostatics. He recognizes that force is transmitted equally in all directions through a fluid, and gives Pascal's law of pressure.

http://www-gap.dcs.st-and.ac.uk/~history/Chronology/1625_1650.html#1640

http://www-gap.dcs.st-and.ac.uk/~history/Chronology/1650_1675.html#1653

## Biographical Info

**Biographical info**

http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Pascal.html

**Rouse Ball Bio**

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

**Galileo project bio**

http://es.rice.edu/ES/humsoc/Galileo/Catalog/Files/pascal_bla.html

## Activities for Pascal's Triangle and Probability

**Pascal's Triangle Activities (w/prints)** http://mathforum.org/workshops/usi/pascal/

**The Triangle and Fibonacci Sequences**

http://milan.milanovic.org/math/english/contents.html

**More Pascal's Triangle (w/prints)**

http://www.math.umass.edu/~mconnors/fractal/generate/pascal.html

**Many Pascal Triangle Activities Linked**

http://ccins.camosun.bc.ca/~jbritton/jbfunpatt.htm

**Upper Level Activities for Pascal**

http://dimacs.rutgers.edu/nj_math_coalition/framework/ch14/ch14_07-08.html

**Additional print teaching resources**

Seymour, D. Visual Patterns in Pascal's Triangle. Palo Alto, CA: Dale Seymour Publications, 1986.

Pascal's Triangle: A Teacher's Guide With Blackline Masters

**Pascal's Philosophical / Religious Writings**

Pascal's Wager http://plato.stanford.edu/entries/pascal-wager/

Pensees online

http://www.leaderu.com/cyber/books/pensees/pensees.html

**Biographical print resources**

A Piece of the Mountain: The Story of Blaise Pascal -- by Joyce McPherson

Blaise Pascal: Reasons of the Heart (Library of Religious Biography Series)