# set terminal svg size 600,400 dynamic enhanced fname 'arial'  fsize 10 mousing name "param_7" butt solid 
# set output 'param.7.svg'
set dummy t,y
set key bmargin center horizontal Right noreverse enhanced autotitles box linetype -1 linewidth 1.000
set parametric
set samples 160, 160
set trange [ 0.000100000 : 31.4159 ] noreverse nowriteback
set yrange [ -1.50000 : 1.50000 ] noreverse nowriteback
plot sin(t)/t,cos(t)/t