diff --git a/simulation.sh b/simulation.sh
index 63d5212..bce3e80 100644
--- a/simulation.sh
+++ b/simulation.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
+pi=3.14159265358979323844
 
-for (( frame=0; frame<=166; frame++ ))
+for (( frame=0; frame<124; frame++ ))
 do  
    echo "frame: ${frame}"
+   echo "scale=6;s(${frame}.0/12.0)" | bc -l
 done