A Combination Chart is used to showcase one chart above the other using the same scale by percentage. The Combination Chart is also called Combo Charts. Combination Charts allow the reader to study ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

I just tried this. Select all the data you want to have graphed, click on Insert, pick line graph, and choose which one you want. Excel (2007) automagically grouped date and time on the X axis. Edit: ...