diff -r b77b9fce62d6 -r 571226041e79 presentations/data/pos.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/presentations/data/pos.txt	Tue Apr 06 17:02:41 2010 +0530
@@ -0,0 +1,41 @@
+0.  0.
+0.25     0.47775
+0.5    0.931
+0.75     1.35975
+1.     1.764
+1.25     2.14375
+1.5    2.499
+1.75     2.82975
+2.     3.136
+2.25     3.41775
+2.5    3.675
+2.75     3.90775
+3.     4.116
+3.25     4.29975
+3.5    4.459
+3.75     4.59375
+4.     4.704
+4.25     4.78975
+4.5    4.851
+4.75     4.88775
+5.   4.9
+5.25     4.88775
+5.5    4.851
+5.75     4.78975
+6.     4.704
+6.25     4.59375
+6.5    4.459
+6.75     4.29975
+7.     4.116
+7.25     3.90775
+7.5    3.675
+7.75     3.41775
+8.     3.136
+8.25     2.82975
+8.5    2.499
+8.75     2.14375
+9.     1.764
+9.25     1.35975
+9.5    0.931
+9.75     0.47775
+10.   0.