set output './cart_plot_2026_a.ps' 
set term postscript color enhanced 'Helvetica,18'  
set style line 1 lt rgb 'red' lw 3  
set style line 2 lt rgb 'green' lw 3  
set style line 3 lt rgb 'blue' lw 3  
set style line 4 lt rgb 'cyan' lw 3  
set style line 5 lt rgb 'violet' lw 3  
set grid 
set key top right 
set xrange [:]  
set yrange [:]  
set xlabel 'Square of [ Time since released (seconds) ] '  
set ylabel 'Distance rolled (cm)  ' 
set title 'A cart rolling down a track ' 
plot [0:15.0][0:350] './cart_example_2026_sq_an.dat'     using 1:3:2:4 with xyerrorbars ls 1 pt 6 ps 0.6   t ''  
set output 
quit 
