[VCLab-Main] [Software][HotEqn][Choose/Atop]


Choose/Atop

{n+1 \choose k}={n \choose k}+{n \choose k-1}
{n+1 \atop k}
A_{p_1\,p_2\cdots p_{n-k} \atop p_1\,p_2\cdots p_{n-k}}
{1\;0\choose 0\;1}
\left({a\atop l}{b\atop m}{c\atop n}\right)

[VCLab-Main] [Software][HotEqn][Choose/Atop]


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