Very Clear Description. Please give me a solution for the following if you know how to do that. Thank You. I have a value in cell K19. I have a formula in cell M19 = ((E19+(L19/(D19*1.0112)))*((D19*0.9888)-((F19+L19)/(E19+(L19/(D19*1.0112))))))/(F19+L19) I need to get the value for the cell L19 automatically where M19 = 0.5K19. Do You have any idea?