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 ...

When collecting, analyzing, and sharing data in an Excel chart, it is helpful to be able to represent it in a manner that is quickly and easily understood. Creating a bar or column graph is a great ...

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

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 ...

The tangent is defined as the single point where a straight line meets a curved surface. The tangent can be determined with a collection of mathematical formulas but is most commonly determined by ...

Stop manually updating Excel charts by mastering dynamic ranges, spill operators, and custom threshold lines for seamless ...