> I´m doing a VI which will be protected. My problem is that, can i > protect my formula node so, that only the formula can be changed or > modified with the right password, without a possibility to see or > modify the whole block diagram?
Make a second subVI and either don't password protect it, or use a second password known by the user. The subVI and formula are both nodes, and will swap with no affect on your upper diagram. Greg McKaskle