How-To Geek on MSN

How to use the LET function in Microsoft Excel

If you're tired of repeated calculations, hard-to-read formulas, and sluggish Excel worksheets, the LET function is your solution. It assigns simple names to complex calculations, making formulas ...
How-To Geek on MSN

You need to know the difference between a range and an array in Excel

Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...