If you need to count or calculate number of Leap Years between two dates in Excel or list of two dates in Excel, make use of this formula to get things done.

If you need to determine how many hours exist between two points in time, but don't want to count weekend days in your calculations, you need to combine the NETWORKDAYS function, which discounts ...

This post will show you how to calculate the percentage difference between two numbers in Excel. using this formula you can find percentage difference easily.

One limitation of Excel is that it doesn't have a built in function to calculate the area between two curves.

I think what I need to know is <B>how to calculate the angle between two points</B>. If I had the angle I could use cos (a), sin (a) to seperate it into an (x,y) vector.