I first encountered Pascal’s triangle on a worksheet my older brother brought home from school when I was in eighth grade. At the time, I was taking geometry (with a teacher who had a cool pair of ...

Pascal's rule tells us that each entry of Pascal's triangle is the sum of the entry to its upper right and its upper left. For example, 4 choose 2 is equal to 3 choose 1 plus 3 choose 2. Here's ...

Rows zero through five of Pascal’s triangle. The pattern continues on into infinity. Two of the sides are filled with 1's and all the other numbers are generated by adding the two numbers above.

Which meant that soon after publishing his 1653 book on the subject, “Pascal’s triangle” was born! > Continue reading on QuickAndDirtyTips.com. About Math Dude Jason Marshall.