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#N canvas 480 472 471 125 10;
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#X floatatom 50 96 5 0 0;
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#X text 387 99 j#|@2002;
6
#X obj 409 77 SMLib-help;
8
#X text 16 14 vcog computes the center of gravity of a list of floats
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#X msg 134 40 0 1 0 1;
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#X msg 199 40 0 0 1 1;
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#X text 142 94 zero sum causes no output;