QB64 Language Reference

• CLEAR
• DIM
• LBOUND
• SHARED
• STATIC
• SWAP
• DATA
• READ
• RESTORE
• CLS
• COLOR
• SCREEN
• COMMON / COMMON SHARED
• CONST
• DIM
• SHARED
• STATIC
• COMMAND$
• SHELL
• _ASSERT
• $ASSERTS
• ERROR
• ON ERROR GOTO
• RESUME
• STOP
• TIMER
• WAIT
• SUB...END SUB
• FUNCTION...END FUNCTION
• $INCLUDE

Conditional Operators

• AND
• NOT
• OR
• XOR

Relational Operators

• Equals =
• Not Equal <>
• Less Than <
• Greater Than >
• Less Than or Equal To <=
• Greater Than or Equal To >=

Data Types

• _BIT
• _BYTE
• _FLOAT
• _INTEGER64
• _UNSIGNED
• DOUBLE
• INTEGER
• LONG
• SINGLE
• STRING
• TYPE

File Management

• _DIREXISTS
• _CWD$
• _FILEEXISTS
• CHDIR
• FILES
• MKDIR
• NAME
• RMDIR
• APPEND
• BINARY
• BLOAD
• BSAVE
• CLOSE
• EOF
• GET
• INPUT
• INPUT$
• KILL
• LINE INPUT
• OPEN
• PRINT
• PRINT USING
• PUT
• SEEK
• WRITE

Graphics

• CIRCLE
• COLOR
• DRAW
• GET
• LINE
• PAINT
• PSET
• PUT
• VIEW
• WINDOW

Math

• _ROUND
• ABS
• ATN
• CDBL
• CINT
• CLNG
• COS
• CSNG
• CVD
• EXP
• FIX
• INT
• LOG
• SIN
• SQR
• TAN

Control Flow

• _CONTINUE
• CALL
• SELECT CASE
• DO...LOOP
• IF...THEN..ELSEIF...ELSE..END IF
• EXIT
• FOR...NEXT
• GOSUB
• GOTO
• RETURN
• RUN
• SLEEP
• STEP
• UNTIL
• WHILE
• WHILE...WEND

Audio

• BEEP
• PLAY
• SOUND

Strings

• ASC
• INSTR
• LCASE
• LEFT$
• LEN
• LSET
• LTRIM$
• MID$
• RIGHT$
• RSET
• RTRIM$
• SPACE$
• STR$
• UCASE$