REAL

        TASK\REAL "Prompt text" Name[Ndim] = [Value .. Value_Ndim] [/RANGE]
      [/SEXAGESIMAL] [/CHOICE Value1 ... ValueN [*]]

    Define the parameter Name of Real type and dimension Ndim, and assign it
    a value if specified. Otherwise, prompt with the text for value(s). Both
    R*4 and R*8 parameters are supported by this command.

    The  /RANGE  option  restrict the valid range for the values. In Windows
    mode, it activates a slider.

    If option /SEXAGESIMAL is present, a sexagesimal string can be provided:
    it will be converted to a floating point value.

    A  list of predefined values can be provided with the option /CHOICE. If
    a wildcard (*) is present in the list, a custom value can also be set by
    the user.