\renewcommand {\topfraction}{1}

\renewcommand {\dbltopfraction}{1}

\renewcommand {\bottomfraction}{1}

\renewcommand {\textfraction}{0}

\renewcommand {\floatpagefraction}{.90}

\renewcommand {\dblfloatpagefraction}{.99}

\newcommand {\jam}[8]{\hbox{$#1$ $#2$ $#3$ $#4$ $#5$ $#6$ $#7$ $#8$}}

\newcommand {\jamIM}[2]{\hbox{$\mbox{$\pm d_7 \ldots d_2$}$ $#1$ $#2$}}

\renewcommand {\thesection}{\Alph{section}}

\renewcommand {\thesection}{A}

\def\apart(#1,#2)#3#4{  
\put(#1,#2){    \begin{picture}(50,\partheight)           
\put(0,0){\line(1,0){50}}      
\put(50,0){\line(0,1){\partheight}}      
\put(50,\partheight){\line(-1,0){50}}      
\put(0,\partheight){\line(0,-1){\partheight}}           
\put(0,7){\mbox{\parbox{\partwd}{\centerline{Part #3}}}}    \end{picture}}}

\def\intmz(#1,#2)#3#4{   
\put(#1,#2){     \begin{picture}(50,\partheight)        
\put(25}   \def  \partheight{20,10}  \def  \deltaln{-60){\oval(50,\partheight)}        
\put(0,7){\mbox{\parbox{\intwd}{\centerline{Intm.\ #3}}}}     \end{picture}}}

\def\stdep(#1,#2){   
\put(#1,#2){     \begin{picture}(50,40}  \def  \twoheight{80)        \multiput(25}   \def  \partheight{20,0)(+.1,0){5}{\vector(0,-1){40}  \def  \twoheight{80}}     \end{picture}}}

\def\dgdep(#1,#2)#3#4{   
\put(#1,#2){     \begin{picture}(50,40}  \def  \twoheight{80)        \multiput(25}   \def  \partheight{20,0)(+.1,0){10}{\vector(#3,-1){#4}}     \end{picture}}}

\renewcommand {\thesection}{\arabic{section}}

\def\btnode(#1,#2)#3{
\put(#1,#2){\circle*{3}}
\put(#1,#2){\line#3{25}}}

\def\mc(#1,#2)(#3,#4)#5{\fbox{\begin{picture}(50,25)(-5,-8) \multiput(0,12)(0,-6){#1}{\circle*{3}} \multiput(6,12)(0,-6){#2}{\circle{3}} \multiput(42,12)(0,-6){#3}{\circle*{3}} \multiput(36,12)(0,-6){#4}{\circle{3}} 
\put(12,-5){\line(0,1){20}} 
\put(30,-5){\line(0,1){20}} \multiput(#5,07)(0,1){3}{\line(1,0){3}} \end{picture}}}