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I want to wrap 2 or more cases in right curly brace using the MathTıme Professional II font. When I use 2 lines it seems to work, but with 3 or more it doesn't show correctly. I've used this code :


      &\frac{\sqrt{9}}{\sqrt{16}}=\frac{3}{4}=0,75\;\\ % use \quad as spacer between  equation and right brace
      \right\}\Rightarrow \frac{\sqrt{9}}{\sqrt{16}}=\sqrt{\frac{9}{16}}$
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Shows correctly for me. What problem do you see? Maybe you could add a picture. – mafp Apr 6 '13 at 7:57
It shows the normal brace of the amsmath package. – mac Apr 6 '13 at 8:03
Note: write 0{,}5625 instead of 0,5625 in order to get the correct spacing. – Svend Tveskæg Apr 6 '13 at 9:12
You re right. I use a special package for the comma decimal mark but i think this way is better. – mac Apr 6 '13 at 16:46
up vote 5 down vote accepted

This is expected behaviour, see Section 2.12.2 of the documentation. If You want a curly brace here, use the \LEFTRIGHT.\}{...} construct. The period is the empty left delimiter here.

      &\frac{\sqrt{9}}{\sqrt{16}}=\frac{3}{4}=0,75\;\\ % use \quad as spacer between equation and right brace
    \Rightarrow \frac{\sqrt{9}}{\sqrt{16}}=\sqrt{\frac{9}{16}}

sample output

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There are predefined ones as \PAREN{…}. By the way, may be it would be good to add the \SQRT{…} construction, which gives you the slanted \sqrt sign for bigger sizes. – Manuel Apr 6 '13 at 10:15
@Manuel \PARENS{...} gives (round) parentheses, I don't see where this should be used here. Regarding the roots: the OP didn't asked for different roots, so I'll leave it at that. – mafp Apr 6 '13 at 10:37
Just to add some info about special commands from the mtpro2 package. But if you think that you shouldn't add that info, ok, I just pointed it. – Manuel Apr 6 '13 at 12:10

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