Title: for the calculus student
Review: I wish I'd found this earlier in my introduction to calculus, which at first was a Grand Mystery only to be penetrated by Wise Math Geeks. While it's *not* a guarantee of perfect math grades (few things are), it does offer useful rules-of-thumb for checking your results in introductory (single-variable) calculus. I've found the estimation techniques useful on occasion in places like physics classes.It's also a fun read, if you're struggling with calc. :-p
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