# Math Help - Simpsons rule error term

1. ## Simpsons rule error term

in our notes we have $- (b-a/180)*h^4*f('''')$

How do you calcualte 180

where does it come from?

On wikipedia http://en.wikipedia.org/wiki/Simpson's_rule go to the section simpsons composite rule and look at the error its /180 , how do they get this 180???

in our notes we have $- (b-a/180)*h^4*f('''')$