#set noborder # uncomment for no frame
set data style lines
set noxtics;set noytics
set noxzeroaxis;set noyzeroaxis
set nokey
set xrange [-1:1];set yrange [-1:1]
set size 0.83,1	# adjust for display: VGA 0.82; HPDJ150 1.09; HPGL 0.765
pause 0 "Enter: plot 'data_file'"
