I am tring to make a form that I will be able to enter in
a number and the formula will do the math. I also want
it to out put a negitive or positive number. example: i
enter in the number 15mm into the cell and it out puts
X0001.693 So this is what I have so far in the customize
cell featu =25.4/X0000.000;X-0000.000 Can someone
please help.

Thanks in advanced,

Darrell