for i=1 upto num:
newCircle.a[i](btex + etex);
endfor
- newCircle.out(btex $output$ etex) "framed(false)";
+ newCircle.out(btex $\overrightarrow{output}$ etex) "framed(false)";
% Center the input and output ports vertically, and put them left and right
% resp.