Example

    $POWER                       ! Invocation of command
      POWER Version 1.0-1
     Enter name of input dataset > TIME_SERIES
     Data object is of type TIME_SERIES
     82 data points entered
     Do you wish to truncate the data? (Y/N) > y
     First and last data values are : 4.050  2.576
     Do you wish to taper the data? (Y/N) > y
     Data mean 1.94365 subtracted
     Enter name of output dataset > POWER_SPECTRUM