Combining Excel's COUNTIF function and graphing tools produces a tally chart. Getty Solving linear programming problems in a spreadsheet yields equations for maximizing business profits.

Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend.

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 ...