create session member [sales].[measures].[avg_price] as '[Measures].[total] / [Measures].[qty]'Nothing is returned when you create a session-level calculated member.
SELECT {[measures].[qty], [measures].[total], [measures].[avg_price]} ON COLUMNS, {[customer].[all customer].children} ON ROWS FROM sales
SELECT {[measures].[qty], [measures].[total], [measures].[avg_price]} On COLUMNS, {[product].[all product].children} ON ROWS FROM sales