## GREG1

                                GREG1\ Language Summary

        AXIS      : Draws an axis according to its name
        BOX       : Makes a box labelled according to LIMITS and TICKSPACE
        COLUMN    : Reads the data file
        CONNECT   : Connects (X,Y) pairs with line segments
        CORNERS   : Display corners of the plotting surface.
        CURVE     : Connects (X,Y) pairs with a spline interpolation
        DRAW      : Calls the interactive cursor or execute detailed command
        ERRORBAR  : Draws error bars on (X,Y) pairs
        HISTOGRAM : Connects (X,Y) pairs as an histogram
        LABEL     : Writes a string... according to options given
        LIMITS    : Sets the limits of the plot (no args for auto)
        LOOK      : Calls the cursor and executes a command when pressing key
        PENCIL    : Selects and defines the pen attributes
        POINTS    : Draws markers at the (X,Y) pairs
        RULE      : Makes a grid by joining axis tickmarks
        SET       : Modifies some basic parameters
        SHOW      : Shows basic parameters
        TICKSPACE : Sets tick intervals for BOX or AXIS
        VALUES    : Write the Y or Z values at the (X,Y) positions