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 ...

Combinations Pascal’s triangle arises naturally through the study of combinatorics. For example, imagine selecting three colors from a five-color pack of markers. The order the colors are ...

Well, Pascal was a French mathematician who lived in the 17th century. And, no, he was not the first person to study this triangle…not by a long shot.