A normal spreadsheet is considered 2D. You could probably call Excel 3D if you count the multiple worksheets, but thats it. You cannot add the forth dimension.

A normal spreadsheet is considered 2D. You could probably call Excel 3D if you count the multiple worksheets, but thats it. You cannot add the forth dimension. Dimenional model is mostly used in the databases right now. I agree, it is a bit more complex than normal spreadsheets. Here is an article which describes the concept a bit better: https://en.wikipedia.org/wiki/OLAP_cube https://en.wikipedia.org/wiki/OLAP_cube