Automatic updating of formulas in excel
For years, Power Point has had this capability, but not many people know about it.The feature is called the Equation Editor and since Power Point 2010, it has been incorporated into the ribbon.Data Analysis Expressions (DAX) sounds a little intimidating at first, but don’t let the name fool you. First things first - DAX is NOT a programming language. You can use DAX to define custom calculations for Calculated Columns and for Measures (also known as calculated fields).
Watch the video to see how I created a slide with the quadratic equation.
If you want to place calculated results in a different area of a Pivot Table, use a calculated column instead.
When you define a formula for an explicit measure, nothing happens until you add the measure into a Pivot Table.
When you add the measure, the formula is evaluated for each cell in the Values area of the Pivot Table.
Because a result is created for each combination of row and column headers, the result for the measure can be different in each cell.
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The formulas in calculated columns are much like the formulas that you create in Excel.