this reminded me of something similar i did (i'm afraid my recursive decent parser is probably more opaque) - differentiating numerical expressions in python.

this reminded me of something similar i did (i'm afraid my recursive decent parser is probably more opaque) - differentiating numerical expressions in python. http://www.acooke.org/cute/Differenti0.html http://www.acooke.org/cute/Differenti0.html