Keywords are reserved, so don't try to use them as macro names or whatever. You can use the lowercase forms if you explicitly ask to be allowed to overload them. The control words are :
WORD STRING FLOAT INTEGER ( ) { } \n ! APROPOS CHDIR DEFINE DELETE DO
EDIT ELSE FOREACH HELP HISTORY IF KEY LIST LOCAL MACRO OLD OVERLOAD PRINT
PROMPT QUIT READ RESTORE RETURN ROW SAVE SET STANDARD TABLE TERMTYPE USER
VERBOSE WRITE
Arithmetic words are :
ABS ACOS ASIN ATAN ATAN2 CONCAT COS DIMEN EXP FFT INT LG LN PI RANDOM SIN SQRT STRLEN SUM TAN WHATIS POWER_SYMBOL [ ] = + - * ** / < > | & ? :
SM plotting keywords are:
ANGLE ASPECT AXIS BOX CONNECT CONTOUR CTYPE CURSOR DATA DEVICE DOT DRAW ERASE ERRORBAR EXPAND FORMAT GRID HISTOGRAM IMAGE LABEL LEVELS LIMITS LINES LOCATION LTYPE LWEIGHT MINMAX NOTATION POINTS PTYPE PUTLABEL RANGE RELOCATE SHADE SORT SPLINE TICKSIZE WHATIS WINDOW XLABEL YLABEL
With the exception of POWER_SYMBOL (which is equivalent to **)
these are described below, with the convention that arguments between
square brackets are optional. This has nothing to do with their use in
subscripting arrays!
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