SciSnap! Ideas

I wonder why Simpsons's rule is not in SciSnap! (or is it? perhaps I overlooked)
It's an excellent demonstration of the power of practical math:

Simpsons rule script pic (1)

The exact answer is 20000. Using Simpson's rule it is approached very much faster than with SciSnap!'s trapezoidal rule.

And it's not even a lot of code:

Update (Aug. 2): for a moment I thought that Simpson’s 1/3 rule has now been integrated into the SciSnap! Library, but that proved to be a delusion.