How Rounding works in Microsoft Excel 2010. Rounding in Excel refers to reducing the number of digits in a number to make it easier to work with. Even seasoned Excel professionals get caught out by this one, and end up scratching their head while they try to figure out why their calculations don't work out as expected. How Rounding works in Microsoft Excel 2010 To see what I … [Read more...] about How Rounding works in Microsoft Excel 2010