Help is available for the following basic commands:

 ADD         ALIGN      APPLY      ASSIGN     AVERAGE    BLINK      BYE
 CENTER      CHANGE     CLEAR      CLOSE      COMPUTE    CONNECT    CONVERT 
 CONVOLVE    COPY       CREATE     CUTS  
 DEBUG       DECONVOLVE DELETE     DISCONNECT DISPLAY    DRAW       `drs'   
 ECHO        EDIT       EQUALIZE   EXECUTE    EXTRACT
 FFT         FILTER     FIND       FIT        FLIP       GET        GROW
                               HELP  (release 10SEP)
 INDISK      INFO       INITIALIZE INSERT     INTAPE     INTERPOLATE 
 ITF         JOIN      
 LABEL       LOAD       LOG        MAGNITUDE  MAP        MERGE      MODIFY 
 NAME        OPEN       OUTDISK    OUTTAPE    OVERPLOT  
 PLAYBACK    PLOT       PRINT      PROJECT  
 READ        REBIN      REGRESSION RENAME     REPLACE    RESAMPLE  
 RESET       RESTORE    ROTATE     RUN   
 SAVE        SCROLL     SEARCH     SELECT     SET        SHIFT      SHOW  
 SHRINK      SORT       STATISTICS STORE      SUBTRACT   SYNCHRONIZE 
 TRANSLATE   TRANSPOSE  TUTORIAL   VIEW      
 WAIT        WRITE      XCORRELATE ZOOM      
 @ (@@, @a, @c, @s)     $
