\hoffset -2.0true cm
\voffset -1.5true cm
\def\DELTA{DELTA}
\documentstyle{book}
\setlength{\textwidth}{4.6in}
\setlength{\textheight}{6.3in}
\setlength{\oddsidemargin}{0.4in}
\setlength{\evensidemargin}{0.4in}
\setlength{\topmargin}{0.1in}
\parindent 0in
