I want to do a multi-indexed sum, I have figured out one way to do it but it is ugly. Can someone help me fix the following so that the text is of equal size?

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- Nov 19th 2009, 11:19 AMlvleph[SOLVED] Multi-Indexed Sums/Intersection/Unions, etc.
I want to do a multi-indexed sum, I have figured out one way to do it but it is ugly. Can someone help me fix the following so that the text is of equal size?

- Nov 19th 2009, 11:50 AMOpalg
- Nov 21st 2009, 01:51 AMflyingsquirrel