Microsoft Excel can present two series of data points together on the horizontal axis, but if the number scale for each series dramatically differs, the data will not be readable. Using a two-sided ...

An icon in the shape of a lightning bolt. Impact Link The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and ...

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 ...

Most Excel chart types are overkill, and these five prove it.

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: ...

Turn generic columns into custom visuals by adding floating totals, nesting series, and layering simultaneous data labels.