Thanks Steve.

>I think that is better than setvar(). Jeff, be sure to set c1 to reset on the field2 group.
>
>>>I want to Sum field1 but only when field2 changes.
>>
>>Create Report Variables:

>>Name  Initial Value  Value to Store   Calculate
>>c1    0              0                Count
>>s1    0              IIF(c1=1, f1, 0) Sum