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binomial


\begin{usage} binomial(n, m) \end{usage}


Signature


\begin{params} {\em n,m} & \% & Integers\\ \end{params}

\begin{retval} Returns \begin{displaymath} {n \choose m} = \frac{n!}{m! (n-m)!}\,. \end{displaymath}Returns $0$\ if either $m < 0$\ or $n < m$. \end{retval}

Manuel Bronstein 2000-12-13