When it’s not necessary to give an exact value, numbers can be rounded. Rounding means making a number simpler but keeping its value close to what it is. When rounding numbers the result is less ...

Leave the digit the same if the next digit is less than 5 (this is called rounding down) but increase it by 1 if the next digit is 5 or more (this is called rounding up). The rounded value must be a ...

The method used to round numbers in accounting may portray an accurate or inaccurate appraisal of a company's financial condition. The amount of error increases with ...

Excel displays the original number up to 11 digits. When you enter a number that has more than 11 digits, Excel does not display the original value. Instead, it displays the number in the exponential ...

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 ...

Journal of Consumer Research, Inc. Consumers usually look for the lowest price when shopping for a product. But can prices sometimes just <em>feel</em> right ...

This tutorial emphasizes the importance of designing circuits with care and thinking through all aspects of a design. All too often, engineers are led astray by a data sheet’s specs, either because ...