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 ...

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Trend lines are a type of regression analysis, which is a way to study the relationships between variables. In the context of small business, trend lines are often used to show sales trends and can be ...

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I have three values. On the X axis I want the date and time, and on the Y axis I want my reading. My data set looks like this: Code: Date Time Reading 11/30/2011 0934 212 11/30/2011 1252 272 ...

Text in an Excel cell may span several lines. For example, cells in a sheet listing employees may contain extended comments on each worker's performance. Excel controls the number of lines in such a ...

Click to download a workbook and open in Excel; make sure to enable macros for full functionality. The workbooks contain screencasts that explain what to do and include tasks that can be assigned.