plot sin(x)
plot sin(x) with points
plot sin(x) with linespoints
plot sin(x) with lines
plot tan(x)
show samples
set samples 1000
set samples 5000; replot
set samples 40; replot
set samples 100; replot
set samples 1000; replot

set yrange [-50:50]; replot
set yrange [-60:60]; replot
set samples 2000; replot
set samples 200

splot x*x-y*y
splot x*x-y*y; replot
set xrange [-60:60]; replot
show isosamples 
set isosamples 20,20; replot
splot x*x-y*y with pm3d
set palette gray;  replot
set palette color; replot

#  2*x^3 + 6 x^5 + 5 = p(x)
#  p(x0) = 0
#  exp(x^2+5) = 80
#  exp(x^2+5) - 80 = 0   ... => x0
plot 2*x*x*x -50*x - 10
set term qt; replot
set xrange [-10:10]; replot
x0=-5
print f(x0)
a=5; b=-4.5; s="ahoj nazdar"
f(x) = 2*x*x*x -50*x - 10
print f(4.5)
x0=x0+0.2
print f(x0-0.1)
print f(x0+0.1)
set terminal pdf; set out "out.pdf"
replot
splot x*x
splot 1-y*y
plot 1-x
test
set out; set term pop

reset
set term dumb
plot sin(x)
quit
plot 'nova.dat'
plot 'exp.dat'
load 'fit_lin1.gp'