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. Use ...

Excel can solve equations through several of its mathematical functions, but the single Excel tool that works on the largest variety of equations is the program's Solver Add-in. This tool reads an ...

Averaging values in an Excel sheet is easy. But perhaps you want to ignore zeros or include multiple sheets. Knowing how each averaging function works is the key to choosing the right one.