Editing MindPerformanceHacks 2fPutDownThatCalculator

= Hack #35: Put Down That Calculator = You don't need a calculator to do simple math! Learn a few tricks, and with a little practice, you'll be surprised how much arithmetic you can do in your head. [http://www.oreilly.com/catalog/mindperfhks/ You can read the full text of this hack at oreilly.com.] == Additions and Suggestions == Concrete ideas to modify and expand this hack go here. == Discussion == Freeform discussion of this hack goes here. Test. == Links == Links to relevant websites go here. == Errata == Errata go here. == Hack Author == MarkPurtill == Return to Main Book Page == This is a page for a hack from the book MindPerformanceHacks by ["Ron Hale-Evans"].

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