As a scientist to be, I can sympathize with your plight. check out this sight:
http://www.vbaexpress.com/kb/getarticle.php?kb_id=242

This may be another option for you:
http://www.freewarefiles.com/downloa...programid=9616


Regards,
Ryan---

--
RyGuy


"David94" wrote:

I am doing a science fair project which involves human reaction times. Can I
set Excel up to measure and record the time between two inputs (keystrokes,
mouse clicks, etc...). Does Excel have a "stopwatch" function?