qbasic.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
QBasic Online Help Index
  Contents  Index  Back
──────────────────────────────────────────────────────────────────────────────
To get help on a QBasic keyword in the list below:
    1. Press the key of the first letter of the keyword.
    2. Use the direction keys to move the cursor to the keyword.
    3. Press F1 to display the help text in the Help window.
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ A ║
                                                                  ╚═══╝
  ABS Function                       APPEND Keyword
  ABSOLUTE Keyword                   AS Keyword
  ACCESS Keyword                     ASC Function
  AND Operator                       ATN Function
  ANY Keyword
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ B ║
                                                                  ╚═══╝
  BASE Keyword                       BLOAD Statement
  Basic Character Set                Boolean Operators
  BEEP Statement                     BSAVE Statement
  BINARY Keyword
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ C ║
                                                                  ╚═══╝
  CALL Statement                     COLOR Statement
  CALL ABSOLUTE Statement            COM Statement
  CASE Keyword                       COMMON Statement
  CDBL Function                      CONST Statement
  CHAIN Statement                    COS Function
  CHDIR Statement                    CSNG Function
  CHR$ Function                      CSRLIN Function
  CINT Function                      CVD Function
  CIRCLE Statement                   CVDMBF Function
  CLEAR Statement                    CVI Function
  CLNG Function                      CVL Function
  CLOSE Statement                    CVS Function
  CLS Statement                      CVSMBF Function
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ D ║
                                                                  ╚═══╝
  DATA Statement                     DEFLNG Statement
  Data Type Keywords                 DEFSNG Statement
  DATE$ Function                     DEFSTR Statement
  DATE$ Statement                    DIM Statement
  DECLARE Statement                  DO...LOOP Statement
  DEF FN Statement                   DOUBLE Keyword
  DEF SEG Statement                  DRAW Statement
  DEFDBL Statement                   $DYNAMIC Metacommand
  DEFINT Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ E ║
                                                                  ╚═══╝
  ELSE Keyword                       ERDEV Function
  ELSEIF Keyword                     ERDEV$ Function
  END Statement                      ERL Function
  ENVIRON Statement                  ERR Function
  ENVIRON$ Function                  ERROR Statement
  EOF Function                       EXIT Statement
  EQV Operator                       EXP Function
  ERASE Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ F ║
                                                                  ╚═══╝
  FIELD Statement                    FOR...NEXT Statement
  FILEATTR Function                  FRE Function
  FILES Statement                    FREEFILE Function
  FIX Function                       FUNCTION Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ G ║
                                                                  ╚═══╝
  GET (File I/O) Statement           GOSUB Statement
  GET (Graphics) Statement           GOTO Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ H ║
                                                                  ╚═══╝
  HEX$ Function
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ I ║
                                                                  ╚═══╝
  IF...THEN...ELSE Statement         INSTR Function
  IMP Operator                       INT Function
  INKEY$ Function                    INTEGER Keyword
  INP Function                       IOCTL Statement
  INPUT Statement                    IOCTL$ Function
  INPUT$ Function                    IS Keyword
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ K ║
                                                                  ╚═══╝
  KEY (Assignment) Statement         KILL Statement
  KEY (Event Trapping) Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ L ║
                                                                  ╚═══╝
  LBOUND Function                    LOCK...UNLOCK Statements
  LCASE$ Function                    LOF Function
  LEFT$ Function                     LOG Function
  LEN Function                       LONG Keyword
  LET Statement                      LOOP Keyword
  LINE (Graphics) Statement          LPOS Function
  LINE INPUT Statement               LPRINT Statement
  LIST Keyword                       LPRINT USING Statement
  LOC Function                       LSET Statement
  LOCATE Statement                   LTRIM$ Function
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ M ║
                                                                  ╚═══╝
  MID$ Function                      MKI$ Function
  MID$ Statement                     MKL$ Function
  MKD$ Function                      MKS$ Function
  MKDIR Statement                    MKSMBF$ Function
  MKDMBF$ Function                   MOD Operator
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ N ║
                                                                  ╚═══╝
  NAME Statement                     NOT Operator
  NEXT Keyword
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ O ║
                                                                  ╚═══╝
  OCT$ Function                      ON TIMER Statement
  OFF Keyword                        ON...GOSUB Statement
  ON COM Statement                   ON...GOTO Statement
  ON ERROR Statement                 OPEN Statement
  ON Keyword                         OPEN COM Statement
  ON KEY Statement                   OPTION BASE Statement
  ON PEN Statement                   OR Operator
  ON PLAY Statement                  OUT Statement
  ON STRIG Statement                 OUTPUT Keyword
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ P ║
                                                                  ╚═══╝
  PAINT Statement                    POINT Function
  PALETTE Statements                 POKE Statement
  PCOPY Statement                    POS Function
  PEEK Function                      PRESET Statement
  PEN Function                       PRINT Statement
  PEN Statement                      PRINT USING Statement
  PLAY Function                      PSET Statement
  PLAY (Music) Statement             PUT (File I/O) Statement
  PLAY (Event Trapping) Statements   PUT (Graphics) Statement
  PMAP Function
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ R ║
                                                                  ╚═══╝
  RANDOM Keyword                     RETURN Statement
  RANDOMIZE Statement                RIGHT$ Function
  READ Statement                     RMDIR Statement
  REDIM Statement                    RND Function
  REM Statement                      RSET Statement
  RESET Statement                    RTRIM$ Function
  RESTORE Statement                  RUN Statement
  RESUME Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ S ║
                                                                  ╚═══╝
  SCREEN Function                    SQR Function
  SCREEN Statement                   STATIC Statement
  SEEK Function                      $STATIC Metacommand
  SEEK Statement                     STEP Keyword
  SELECT CASE Statement              STICK Function
  SGN Function                       STOP Statement
  SHARED Statement                   STR$ Function
  SHELL Statement                    STRIG Function
  SIN Function                       STRIG Statements
  SINGLE Keyword                     STRING Keyword
  SLEEP Statement                    STRING$ Function
  SOUND Statement                    SUB Statement
  SPACE$ Function                    SWAP Statement
  SPC Function                       SYSTEM Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ T ║
                                                                  ╚═══╝
  TAB Function                       TIMER Statements
  TAN Function                       TO Keyword
  THEN Keyword                       TROFF Statement
  TIME$ Function                     TRON Statement
  TIME$ Statement                    TYPE Statement
  TIMER Function
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ U ║
                                                                  ╚═══╝
  UBOUND Function                    UNTIL Keyword
  UCASE$ Function                    USING Keyword
  UNLOCK Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ V ║
                                                                  ╚═══╝
  VAL Function                       VARSEG Function
  VARPTR Function                    VIEW Statement
  VARPTR$ Function                   VIEW PRINT Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ W ║
                                                                  ╚═══╝
  WAIT Statement                     WIDTH Statements
  WEND Keyword                       WINDOW Statement
  WHILE...WEND Statement             WRITE Statement
                                                                  ╔═══╗
══════════════════════════════════════════════════════════════════╣ X ║
                                                                  ╚═══╝
  XOR Operator