its useful if you work as a architect
Pascal's triangle
pascal
The Sierpinski Triangle
pascals triangle is used to solve math problems that have chance of 2 different outcomes, such as flipping a coin
in the 11th century...
(a+b)7
35
1,4,6,4,1
Blaise Pascal.
Pascal didn't invent pascals triangle, he just made It popular. A Chinese mathematician invented it in about 1015.
The expanded binomial is another name for Pascal's triangle.