InfoPath Dev

Clay, Thanks for the quick response.  When i create a rule and then set a field's value, I can't use an absolute value function.  There are only minimal math functions (avg, boolean, ceiling, etc.).  ABS is not one of them.  I tried to square the number and then take the square root, but it ...

I'm so new at  this I'm not sure where to begin.  I've made a InfoPath 2003 form and connected it to a SharePoint 2003 forms list.  That all works great.  Now I'm trying to get a little fancier on data integrity.  My application is tracking activities related to energy consumption.  I've added a ...