Yes it's that simple.
--
Brevity is the soul of wit.


"David Cox" wrote:

is it as simple as newx = -1* oldx, or newx = 0-oldx?
or have I misunderstood?

"Soth" wrote in message
...

Hi

How do I creat a formula by switching the operation sign, for example:

From Negative Ten (-10) to positive of 10

Vice versa

From Positive of 10 to Negative (-10)

Thank you
Sothea