I am lookig for an explanation of the depreciation calculations in Planning.  I also want to know if I can use the external type to bypass the calculation in Apptio and put my own amounts in.

Vince,

There are 3 ways that the planning tool can depreciate cost. It all depends on what method you choose to associate with your Asset Classes reference data. I have given you a couple of examples in my screenshot below, of how deprecation would be calculated using the 3 different methods.

As far as overwriting the calculated amounts, that is not something that is supported in the system today. If you need to enter assets and input custom amounts, I would recommend loading those on the "Other" tab in your expenses view.

Hope this helps answer your question!