#!/gnuplot
 # set terminal svg size 1024,528 dynamic enhanced fname 'Verdana' fsize 11 name "Record_pi_approximations"
 # set output "Record_pi_approximations.svg"
 set terminal win enhanced
 set key off
 set title "Record approximations of pi" 
 set title font "Verdana Bold,20"
 set border linecolor rgb "gray"
 set grid linetype -1 linecolor rgb "gray"
 set xlabel "Year" 
 set xlabel offset 0,-0.5 font "Verdana Bold,16"
 set xrange [ 1200.00 : 2011.00 ]
 set xtics border out nomirror
 set xtics 1400.00,50 font "Verdana,13" textcolor rgb "black" 
 set xtics add ("2000\nBCE" 1230.00, "250   \nBCE   " 1317.00, "480" 1354.00)
 set nomxtics
 set logscale y 100
 set format y "10^{%T}"
 set ylabel "Number of decimal digits" 
 set ylabel offset -2,0 font "Verdana Bold,16"
 set yrange [ 1.00000 : 1.00000e+014 ]
 set ytics border out nomirror
 set ytics 10000,100 font "Verdana,13" textcolor rgb "black" 
 set ytics add ("1" 1.00000, "100" 100.000)
 set nomytics
 plot [1230:2011] "pi.dat" with steps linewidth 2 linecolor rgb "blue"
 #    EOF