Use rounded values to estimate close the answer to a calculation. This is a useful non-calculator skill. Refresh your knowledge with these guides on rounding and significant figures. Rounding to ...
Scientific American presentsMath Dudeby Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. In the last Math Dude episode, we learned the ins and outs of ...
For statistical and mathematical purposes, OpenOffice.org's Calc spreadsheet includes a variety of ways to round off numbers. If you're a programmer, you may also be familiar with some of these ...
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