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Beautiful, man! How did you figure that out? I looked at that ceil function, but I still can't see how it's different than the others in the math.h library.

Another side question: Can you use...

That subject line was the new error before I tried to initialize printf. I realize that it's a function, but it ain't workin

OK, I found it. It's there, I just mistyped the #include before. But now that I found the math.h library, I need to initialize printf. Should I just do so and make it 0 at the top?

I don't have the math.h library. Should I?

I have a little program that calculates the bill of burgers, cokes, etc. but I want to round the tax so that it doesn't go 4 places (only 2 like $).

Now, that may be simple, but I would prefer...