New guy and programming problem

[Dieter]

(08-27-2017 05:52 PM)John Keith Wrote:  Your third code not only allows zero resistances but is also more accurate, especially if there are both large and small resistances involved.

Yes.
To be honest, this was the major reason for me to implement the formula that way. ;-)

(08-27-2017 05:52 PM)John Keith Wrote:  Joe Horn explains the concept here.

Nice to see that others are concerned about numerical accuracy as well.

Dieter