Xaand,

There are some fundamental problems with your attached document:
1. The field code you are using is NOT the same as the textual representation of it that appear in the document and that you have posted online. A glaring difference is that you've changed some of the switches in the field code to something quite incompatible with the calculations;
2. You have inserted the formfields inside content controls!!! Formfields and content controls are not meant to be used in the same document, let alone one inside the other.
Fix those issues and the calculation field will work correctly.

As for "it might have something to do with updating fields", the formfield 'calculate on exit property takes care of that. If you use content controls, though, a different approach would be required (e.g. a macro or Ctrl-A, F9).

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]