Raghu,Thanks, that is exactly what I was missing!

I've been working on this for awhile and I can't seem to get it right. I'm using formcalc. I have a dynamic PDF form I've created with two dropdown lists. One dropdown list has items such as "New" or "Used" and the second dropdown list has a list of prices, like "99¢" or "$1.99", etc. At the bottom ...