Master/texmf-dist/doc/latex/calculator/calculator51.tex


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\MATRIXABSVALUE(1,-1,2;3,0,5;-1,1,4)%
          (\sola,\solb,\solc;
           \sold,\sole,\solf;
           \solg,\solh,\soli)
$\begin{bmatrix}
       \sola & \solb & \solc \\
       \sold & \sole & \solf \\
       \solg & \solh & \soli
 \end{bmatrix}$