(Times-RomanF) 25 Font
0.5 mm Pen
[ 50 550 50 800][ 0 30 -0.5 1 ] Axe2
[ (0) (10) (20) (30) ] GradX
[ (-0.4) (-0.2) (0) (0.2) (0.4) (0.6) (0.8) (1.0) ] GradY

gsave   % save current color pen etc...
    0.15 mm Pen
	[ Xmin 0 Xmax 0 ] Black 1 Dash Lines
grestore % restore color pen dash...
?
gsave
[
% LC_NUMERIC=C to make sure that "." is the decimal separator
! LC_NUMERIC=C ./sinx.awk
] Blue Lines
grestore
?
gsave
[
! LC_NUMERIC=C ./sinx2.awk
] 1 Dash Red Lines
grestore
300 720
% beware to escape ( in a postscript string
( Blue ) ( sin\(x\)/x ) Label
( Red 1 Dash Lines ) ( sin\(x\)/sqrt\(x\) ) Label
?
