steps gnuplot demo

#This file will serve as the datafile used in demonstrating the 
#"plot with steps" option.   Here is a gnuplot input file
#which uses "plot with steps", inverse error function, normal
#distribution function, and the inverse normal distribution
#function.
set title "Demo of step ploting style"
plot [0:12][0:13] "steps.dat" with steps, "steps.dat" with points

set title "Normal Distribution Function"
plot [-3:3][0:1] norm(x)

set title "Inverse Error Function"
plot [-1:1] inverf(x)

set title "Inverse Normal Distribution Function"
plot [0:1] invnorm(x)

set title ""