A cumulative average recalculates a data set's average as new data is added. During the recalculation all data contained in the data set is included in the average. In Microsoft Excel your spreadsheet ...

Graphs are graphs, right? Well, with Excel 2007 your graphs can be a lot more than a flat geometrical shape with a small number of ways it could look like. You can have 3D canvases, 3D graphs, shaded ...