# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 500, 350 # set output 'simple.6.png' set key bmargin center horizontal Right noreverse enhanced autotitles box linetype -1 linewidth 1.000 set samples 400, 400 plot [-5*pi:5*pi] [-5:5] real(tan(x)/atan(x)), 1/x