Formula Needed

[eacummings]

I am looking for a formula in cell A2 that takes the amount in cell A1 subtracts cell B1, subtracts cell C1 then adds cell D1 displaying the new total amount, however if cell B1 is empty them cell A2 will not show anything.

 

[alansidman]

=if(B1="","",A1-B1-C1+D1)

 

[eacummings]

Thank you Sir. It worked fine Sorry for returning a late replay.