Text Formatting ⇒ Defining a command for a fraction

[artemff]

Code: Select all

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\newcommand{\inv}[1]{\frac{1}{#1}}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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[frabjous]

It does work. I just tried compiling the following:

Code: Select all

Code, edit and compile here:

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\documentclass{article}
\newcommand{\inv}[1]{\frac{1}{#1}}
\begin{document}
$\inv{5}$
\end{document}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Run LaTeX here

It worked as expected.

You might improve it as follows... and then you can use it either in or outside of math mode:

Code: Select all

Code, edit and compile here:

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\documentclass{article}
\newcommand{\inv}[1]{\ensuremath{\frac{1}{#1}}}
\begin{document}
\inv{5}
\end{document}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Run LaTeX here

If it's not working for you, post a minimal example that shows the problem.

[artemff]

>>frabjous
Thanks, now all work... Other problem generates error...