Calculate the date range from entered date

Question

HI
My requirement is to get the data in a perticular intervals of posting date.
Directly we can create a variable with interval on posting Date to have the required data but Here we need two have two varibles because in one varibale user enters posting date and in second variable user enters any number like 1,2,3....etc
Let's say user enetered posting date as 30.08.2010 in the first variable and number 4 in the second variable.
Finally out put range should be calculted from entred posting date 30.08.2010  date to four days back  
i.e output  should be appear in the report  from 27.08.2010 to 30.08.2010.
My question i can create first avariable on posting Date but  where shoud i create the second variable on which field.
Please help me on this..points will be awrded.
Regards,
Siva Thottempudi.

Answer 1

R you talking about the below to create new variable on the existing key figure
Selecting Variables
When you select characteristic values in the query definition, you can also select variables instead of fixed values. These act as placeholders and are only filled with fixed values when the query is executed.
When selecting variables, you can also define new variables, change variables, or delete variables. These functions are always available to the right of the selection of the variable type.
Selecting Variables
1.      Choose Show ® Variables.
2.      Under Type, select the variable type (such as Characteristic Value Variable, Hierarchy Node Variable) from which you want to select the variable.
3.      Select one (or, in exceptional cases, more than one) variable from the list of available variables in the left window and add them (using the right arrow) to the right Selection window.
Selecting Variable Value Range Limits
1.      Choose Show ® Value Ranges.
2.      Select your required operator from the dropdown box. You can choose from the following operators:
○       Between
○       Less Than or Equal to
○       Greater Than or Equal to
○       Less Than
○       Greater Than
3.      Select the required value or values for the value range and choose . The input help appears in a new dialog box and displays the selection of variables under Show  ® Variables.
4.      Under Type, select the variable type (such as Characteristic Value Variable, Hierarchy Node Variable) from which you want to select the variable.
5.      Select the required variable and choose OK.
6.      For the Between operator, two single values are required for the interval limits; the system automatically displays two dropdown boxes. In this case, repeat steps 3-5.
7.      After you have set the value range, choose OK.
8.      Add the selection to the right Selection window using the right arrow.