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 ...

Most of us know how to create a chart in Excel, but it’s the chart with a little something extra that often does the best job. For instance, suppose you’re charting product favorites by age group and ...

Project the revenues based on previous sales amounts with Microsoft Excel or OpenOffice Calc. Revenue projections allow you to estimate revenues for future time periods based on historical data. To ...

Excel won't display hidden data in a chart unless you flip the switch. Learn which option controls this behavior. By default, Excel displays only visible data in a chart. Consequently, if you hide ...