Excerpted from the REDUCE Manual Version 3.8 COMMANDS & IDENTIFIERS We list here all identifiers that are normally reserved in REDUCE including names of commands, operators and switches initially in the system. Excluded are words that are reserved in specific implementations of the system. Commands ALGEBRAIC ANTISYMMETRIC ARRAY BYE CLEAR CLEARRULES COMMENT CONT DECOMPOSE DEFINE DEPEND DISPLAY ED EDITDEF END EVEN FACTOR FOR FORALL FOREACH GO GOTO IF IN INDEX INFIX INPUT INTEGER KORDER LET LINEAR LISP LISTARGP LOAD LOAD PACKAGE MASS MATCH MATRIX MSHELL NODEPEND NONCOM NONZERO NOSPUR ODD OFF ON OPERATOR ORDER OUT PAUSE PRECEDENCE PRINT PRECISION PROCEDURE QUIT REAL REMFAC REMIND RETRY RETURN SAVEAS SCALAR SETMOD SHARE SHOWTIME SHUT SPUR SYMBOLIC SYMMETRIC VECDIM VECTOR WEIGHT WRITE WTLEVEL Boolean Operators EVENP FIXP FREEOF NUMBERP ORDP PRIMEP Infix Operators := = >= > <= < => + - * / ˆ ** . WHERE SETQ OR AND MEMBER MEMQ EQUAL NEQ EQ GEQ GREATERP LEQ LESSP PLUS DIFFERENCE MINUS TIMES QUOTIENT EXPT CONS Numerical Operators ABS ACOS ACOSH ACOT ACOTH ACSC ACSCH ASEC ASECH ASIN ASINH ATAN ATANH ATAN2 COS COSH COT COTH CSC CSCH EXP FACTORIAL FIX FLOOR HYPOT LN LOG LOGB LOG10 NEXTPRIME ROUND SEC SECH SIN SINH SQRT TAN TANH Prefix Operators APPEND ARGLENGTH CEILING COEFF COEFFN COFACTOR CONJ DEG DEN DET DF DILOG EI EPS ERF FACTORIZE FIRST GCD G IMPART INT INTERPOL LCM LCOF LENGTH LHS LINELENGTH LTERM MAINVAR MAT MATEIGEN MAX MIN MKID NULLSPACE NUM PART PF PRECISION PROD RANDOM RANDOM NEW SEED RANK REDERR REDUCT REMAINDER REPART REST RESULTANT REVERSE RHS SECOND SET SHOWRULES SIGN SOLVE STRUCTR SUB SUM THIRD TP TRACE VARNAME Reserved Variables CARD NO E EVAL MODE FORT WIDTH HIGH POW I INFINITY K!* LOW POW NIL PI ROOT MULTIPLICITIES T Switches ADJPREC ALGINT ALLBRANCH ALLFAC BALANCE MOD BFSPACE COMBINEEXPT COMBINELOGS COMP COMPLEX CRAMER CREF DEFN DEMO DIV ECHO ERRCONT EVALLHSEQP EXP EXPANDLOGS EZGCD FACTOR FORT FULLROOTS GCD IFACTOR INT INTSTR LCM LIST LISTARGS MCD MODULAR MSG MULTIPLICITIES NAT NERO NOSPLIT OUTPUT PERIOD PRECISE PRET PRI RAT RATARG RATIONAL RATIONALIZE RATPRI REVPRI RLISP88 ROUNDALL ROUNDBF ROUNDED SAVESTRUCTR SOLVESINGULAR TIME TRA TRFAC TRIGFORM TRINT Other Reserved Ids BEGIN DO EXPR FEXPR INPUT LAMBDA LISP MACRO PRODUCT REPEAT SMACRO SUM UNTIL WHEN WHILE WS