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Possible Duplicate:
Left and right subscript
Superscripts before a letter in math

I need to write something almost identical to this notation $P_{O}^A$except I need the superscript A not to be on the right with the subscript O but to be on the left side?

Is this possible which commands/packages I need to use?

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marked as duplicate by Ian Thompson, Count Zero, Claudio Fiandrino, Loop Space, Jake Jun 25 '12 at 13:05

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

How about: $^AP_O$? – Count Zero Jun 25 '12 at 12:54
Thanks count Zero that does the trick,can I set your comment as the accepted answer? – George Bora Jun 25 '12 at 12:59
This is a duplicate; just vote up his answer in the thread he linked to. – mSSM Jun 25 '12 at 13:02
searching my (inclomplete) package database, i find fouridx, leftidx, subdepth, subsupscripts, tensind and tensor listed in this area. i've never tried any of them, but if david's suggestion doesn't help, perhaps one of those might help. (fouridx seems suited, for example). – wasteofspace Jun 25 '12 at 13:03
In addition to the two that are listed as possible duplicated, there's also tex.stackexchange.com/q/334/86 – Loop Space Jun 25 '12 at 13:06
up vote 2 down vote accepted

amsmath has a \sideset command that allows the placing of subscripts at various points.

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