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Possible Duplicate:
Escape character in LaTeX
Underscore in words

I want to write a name like LKU_IF which contains an underline. When I write it in Latex it doesn't show the result properly. Does anybody know what should I do?

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marked as duplicate by lockstep, Mico, Qrrbrbirlbel, Andrew Swann, barbara beeton Jan 8 '13 at 14:38

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_ is treated as a math mode subscript (which is the reason you should get at least two Missing $ inserted errors). Use \_ instead. –  Qrrbrbirlbel Jan 8 '13 at 14:21
Thanks you so much –  f.ashouri Jan 8 '13 at 14:33

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