\listfiles\errorcontextlines=100 \documentclass{article} %\usepackage{fp} %\input{multido} \usepackage{multido}[2004/05/15] \usepackage{fp} \begin{document} \typeout{\meaning\FPadd} \typeout{\meaning\FPsub} \typeout{\meaning\fpAdd} \typeout{\meaning\fpSub} \setlength{\unitlength}{1cm} \begin{picture}(8,1)(0,-.5) \small \put(0,0){\vector(1,0){8}} \multido{\i=0+1,\n=0+0.25}{8}{% \put(\i,-.1){\line(0,1){.2}} \put(\i,-.2){\makebox(0,0)[t]{\n}}} \end{picture} \end{document}