Street-Fighting Mathematics | The MIT Press
From the Overview:
Traditional mathematics teaching is largely about solving exactly stated problems exactly, yet life often hands us partly defined problems needing only moderately accurate solutions. This engaging book is an antidote to the rigor mortis brought on by too much mathematical rigor, teaching us how to guess answers without needing a proof or an exact calculation.
Available as printed book and creative commons licensed PDF file.
Thu Mar 27 14:04:00 2014 - permalink -
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http://mitpress.mit.edu/books/street-fighting-mathematics