looking for a formula in conditional format

[haai]

I am looking for a formula in conditional format, If value in A1 ="Yes" Then Value in B1 = 50
thanks

 

[navic]

Try in the B1 cell
=if(a1="Yes";50;"")

 

[haai]

I have 3 conditions Yes No and Error 50 100 and 0

 

[haai]

I found it with your example as a start-
Thanks.

 

[navic]

So you could set up your solution here, that other forum visitors see how has been solved.