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 ...

If you want to create a dashboard in Microsoft Excel, this post will help you. A dashboard is a type of graphical representation that depicts the key performance indicators for a particular topic or ...

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: ...