After „SAP BW 7.4 Maintain characteristics“ is one of the most read posts. I visualize this post in a short video.
In Analysis Office 2.2 a new feature was published. You can now use your own Excel formulas in a Crosstab. First you have to add a row or column in your Crosstab. The table design is a feature since Analysis Office 2.0.
You can add your formula.