# math::Sub4

    sys::Obj
      sys::Virtual
        sys::Component
          math::Sub2
            math::Sub4

`public class Sub4`

Sub4 Four Input Subtract object

out = in1 - in2 - in3 - in4 out, in1, and in2 are inherited from Sub2 class

in3

  `public property float in3`

  in3

in4

  `public property float in4`

  in4

execute

  `public virtual override void execute()`

  Execute is called once every scan.