apall - Extract 1D spectra (all parameters in one task)
      apdefault - Set the default aperture parameters
         apedit - Edit apertures interactively
	 apfind - Automatically find spectra and define apertures
     aprecenter - Recenter apertures
       apresize - Resize apertures
      apscatter - Fit and remove scattered light
          apsum - Extract 1D spectra
	aptrace - Trace positions of spectra

          bplot - Batch plots of spectra
      continuum - Fit the continuum in spectra
        dispcor - Dispersion correct spectra
	 dopcor - Doppler correct spectra
       identify - Identify features in spectrum for dispersion solution
       msresp1d - Create 1D response spectra from flat field and sky spectra
     refspectra - Assign wavelength reference spectra to other spectra
     reidentify - Automatically identify features in spectra
     sapertures - Set or change aperture header information
	 sarith - Spectrum arithmetic
       scombine - Combine spectra having different wavelength ranges
          scopy - Select and copy apertures in different spectral formats
     setairmass - Compute effective airmass and middle UT for an exposure
          setjd - Compute and set Julian dates in images
	  sflip - Flip data and/or dispersion coordinates in spectra
          slist - List spectrum header parameters
       specplot - Stack and plot multiple spectra
      specshift - Shift spectral dispersion coordinate systems
          splot - Preliminary spectral plot/analysis

        dohydra - Process HYDRA spectra
	  demos - Demonstrations and tests