Hello All, I am having a problem where my number of calculated frames is different than my display frame rate. I am trying to update object position using a precalculated position vector and the timing variable "frames since go". On one computer with a refresh rate of 100 Hz (yes I entered this in the VE start up prompt), I was getting getting approximately 50 f.p.s. I reinstalled Vision Egg on a newer machine, and now I am getting 200 f.p.s. Any ideas? Is there code I can write to force the calculated frames to match up with the display rate? thanks, Jordanna Sprayberry