Gnuplot

set title "Scrum Burndown - Quimilero Iteration"
set yrange [-5:40]
set xtics (0,1,2,3,4,5,6,7,8,9,10)
set xrange [0:10]
set xlabel "Day of Iteration"
set ylabel "Units Remaining"
plot \
<dataset>
0 33
1 33
2 26 #GS-796, GS-798, GS-799, GS-800
3 23 #GS-803
4 21 #GS-725
5 17 #GS-804
6 12 #GS-756
7 8 #GS-690
8 1 #GS-805 GS-832 and GS-744 off backlog sized at iteration review
</dataset> using 1:2 title "Autobots" with lines lt 4, \
<dataset>
0 24
1 24 #nothing done on day one
2 19 #GS-775, GS-272, GS-727
3 7 #AG-170, GS-714, GS-442, GS-677
4 3 #this is monday..OP-123 is resolved. 
5 -2 #GS-85
8 -2
</dataset> using 1:2 title "Decepticons" with lines lt 14

set xlabel "n"
set ylabel "T(n)"
set data style lines
plot \
<dataset>
10 105
60 2570
110 11640
160 27885
210 41715
260 73269
310 100959
360 143735
410 174574
460 242307
510 301169
560 357982
610 422730
660 519390
710 591507
760 645435
810 711284
860 865909
910 919575
960 988310
</dataset>