Page with calculated fields

Closed - This job posting has been filled and work has been completed.

Job Description

I need a page where some items are calculated based on the values of other items. The page has fields:


a - user defined numeric value
b - user defined numeric value
c - user defined numeric value
d - calculated as ab-c

next will be the table (we still in part I)
e1 e2 ... - all e's are hard coded (set in the page text)
f1 f2 ... - f = de
g1 g2 ... - g = d-f