If you're using Excel to calculate monetary values, then you only have to worry about two decimal places in your numbers. Aligning your numbers to the right automatically lines up the decimal points ...

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 ...

Rounding up a number always results in a figure that is equal to or larger than the original number. As an example, if you were computing the number of employees you needed to accomplish a project, ...

Scientific American presentsMath Dudeby Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. At some point in your life, you were most likely taught how to ...

It’s so tempting to round off numbers and present your audience with clear, whole numbers rather than cluttering up the text with decimal points and a string of digits. Sometimes rounding a number up ...