3D Graphics in Excel - Harmony unlimited

Would you like to create Excel charts similar to these presented here? Let me know - I could help...

How to highlight space between two plotted curves / lines

If you want to enhance your Excel charts, to fill with color some target range of the data, this procedure may be helpful.

I'm providing here two examples of such enhanced charts. In addition, I've included procedure for calculation of the surface area bounded by the two curves/lines.

Chart #1