TeX & TikZ III
8 樹形図
8-1 単純な数値の樹形図
\begin{tikzpicture}\node[draw,inner sep=2pt](A)at(0,0){1};\node[draw,inner sep=2pt](B)at(1,.75){1};\node[draw,inner sep=2pt](C)at(1,.25){3};\node[draw,inner sep=2pt](D)at(1,-.25){4};\node[draw,inner sep=2pt](E)at(1,-