# Language Reference - Appendix

Reserved Words |

The Reserved Words listed below are used internally by PxPlus.

#### Important Note:
Try to avoid using them as variable names.

ABS | ACCEPT | ACS | ADD | ADDR
AND | ARG | ASC | ASN | ATH
ATN | AUTO | AUTO_LOCK |  |
BEGIN | BIN | BKG | BREAK | BSZ
BUTTON | BYE |  |  |
CALL | CASE | CATCH | CHART | CHECK_BOX
CHG | CHN | CHR | CLASS | CLEAR
CLIP_BOARD | CLOSE | CMP | CONTINUE | CONTROL
COS | CPL | CRC | CREATE | CTL
CUSTOM_VBX | CVS | CWDIR |  |
DATA | DAY | DAY_FORMAT | DEC | DEF
DEFAULT | DEFCTL | DEFPRT | DEFTTY | DELETE
DICTIONARY | DIM | DIR | DIRECT | DIRECTORY
DISABLE | DLL | DLM | DLX | DROP
DROP_BOX | DSK | DSZ | DTE | DUMP
EDIT | ELSE | ENABLE | END | ENDTRACE
END_IF | END_TRY | ENTER | ENV | EOM
EPT | ERASE | ERR | ERROR_HANDLER | ERS
ESC | ESCAPE | EVENT | EVN | EVS
EXCEPT | EXECUTE | EXIT | EXP | EXTRACT
FFN | FI | FIB | FID | FILE
FIN | FINALLY | FIND | FN | FOR
FPT | FROM | FUNCTION |  |
GAP | GBL | GEP | GET | GET_FILE_BOX
GFN | GID | GRID |  |
HFN | HIDE | HLP | HSA | HSH
HTA | HWD | HWN | H_SCROLLBAR |
I3E | I86 | IF | IND | INDEX
INDEXED | INPUT | INSERT | INT | INVOKE
IOL | IOLIST | IOR |  |
JST | JUL |  |  |
KEC | KEF | KEL | KEN | KEP
KEY | KEYED | KGN |  |
LAOD | LCS | LEN | LET | LFA
LFO | LIKE | LINE_SWITCH | LIP | LIST
LIST_BOX | LNO | LOAD | LOCAL | LOCK
LOG | LONG_FORM | LPG | LRC | LSIT
LST | LWD |  |  |
MAX | MDE | MEM | MENU_BAR | MERGE
MESSAGE_LIB | MID | MIN | MNEMONIC | MNM
MOD | MSE | MSG | MSGBOX | MSK
MSL | MULTI_LINE | MULTI_MEDIA | MXC | MXL
NAR | NEW | NEXT | NID | NOT
NUM |  |  |  |
OBJ | OBJECT | OBTAIN | OFF | ON
OPEN | OPT | OR |  |
PAD | PASSWORD | PCK | PERFORM | PFX
PGM | PGN | POP | POPUP_MENU | POS
PRC | PRECISION | PREFIX | PREINPUT | PRINT
PRM | PROCEED | PROCESS | PROGRAM | PROPERTIES
PROPERTY | PSZ | PTH | PUB | PURGE
QUIT | QUO |  |  |
RADIO_BUTTON | RANDOM | RANDOMIZE | RCD | RDX
READ | REC | RECORD | REDIM | REF
REFILE | RELEASE | REM | REMOVE | RENAME
RENUMBER | REPEAT | REQUIRED | RESET | RESTORE
RET | RETRY | RETURN | RND | RNO
ROUND | RUN |  |  |
SAME | SAVE | SCALL | SECURITY_MASK | SELECT
SEP | SERIAL | SERVER | SET | SETCTL
SETDAY | SETDEV | SETDRIVE | SETERR | SETESC
SETFID | SETMOUSE | SETTIME | SETTRACE | SET_FOCUS
SET_NBF | SET_PARAM | SGN | SHORT_FORM | SHOW
SID | SIN | SORT | SQR | SRT
SSN | SSZ | START | STATIC | STEP
STK | STOP | STP | STR | SUB
SWAP | SWITCH | SWP | SYS | SYSTEM_HELP
SYSTEM_JRNL |  |  |  |
TABLE | TAN | TBL | TCB | THEN
TIM | TME | TMR | TMS | TO
TRANSLATE | TRISTATE_BOX | TRX | TRY | TSK
TSM | TXH | TXW |  |
UCP | UCS | UID | UNIQUE | UNLOCK
UNT | UNTIL | UPDATE | UPK | USER_LEX
VAL | VARDROP_BOX | VARLIST_BOX | VIA | VIDEO_PALETTE
VIN | VIS | V_SCROLLBAR |  |
WAIT | WEND | WHERE | WHILE | WHO
WINDOW | WINPRT_SETUP | WITH | WRITE |
XEQ | XFA | XML | XOR |