The Runge-Kutta methods are not a Taylor series though. So "almost" is apt.

Geez guys, I chose a term that I thought most people would be more likely to understand. I realize that some of us have worked a lot more on numerical methods, but other hackers never made it past Calculus 2.

I wouldn't have corrected you. I think your comment was fine.

> I realize that some of us have worked a lot more on numerical methods, but other hackers never made it past Calculus 2.

While that didn't occur to me, I do appreciate trying to keep things accessible.

Did you take offense from my comment? All I wanted is to set people on the right track if they want to find more information about how NWP is implemented.