# set terminal svg size 600,400 dynamic enhanced fname 'arial'  fsize 10 mousing name "simple_1" butt solid 
# set output 'simple.1.svg'
set key inside left top vertical Right noreverse enhanced autotitles box linetype -1 linewidth 1.000
set samples 50, 50
plot [-10:10] sin(x),atan(x),cos(atan(x))