20. Advanced Math (for the Computer, Not You!)
In This Chapter
• Getting into trig and other really hard stuff
This chapter extends your knowledge of built-in functions to the numeric functions. C helps you do math that the C operators can’t do alone. More than anything else, the C built-in numeric functions supply routines that you don’t have to write yourself.
A lot of C’s built-in math functions are highly technical—not that their uses are difficult, but their purposes might be. Unless you need trigonometric and advanced math functions, you might not find a use for many of the functions described in this chapter.
Some people program in C for years and never need many ...
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