I have a form with many fields. One field is numerical and it can have these 3 values (option A: 2.0, option B: 1.5, option C: 1.0, and also an extra option CUSTOM: any value the user wants).
Problem is, how to let the user know that he can choose 3 default options or that he can input his own value (betwee 0.0 and 2.0).
Currently i have a DROPDOWN with options "A", "B", "C", "CUSTOM" and a Slider that goes from min value 0.0 to max value 2.0. When the user changes the dropdown option, the slider updates it's position to the selected value. If the user drags the slider then, the dropdown displays the "CUSTOM" option.
Is there a better way to present this field?