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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

:nStatements and Functions Listed by Programming Tasks
  ◄Programming Tasks►   ◄Contents►   ◄Index►
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Programmer's Task List of BASIC Statements and Functions
 
Programming Task                        Example Keywords in this List
◄Build loops and decision structures►   FOR...NEXT, DO...LOOP, IF...THEN,
                                        SELECT
◄Define and call procedures►            DECLARE, FUNCTION...END FUNCTION,
                                        SUB...END SUB, CALL
◄Device input/output►                   PRINT, PRINT USING, LPRINT, INPUT$
◄File input/output►                     OPEN, WRITE #, INPUT #, GET, PUT, EOF
◄Manipulate and transform strings►      LEFT$, MID$, RIGHT$, LEN, INSTR
◄Display graphic images►                SCREEN, DRAW, COLOR, PALETTE, PAINT
◄Set traps for events and errors►       ON KEY GOSUB, ON ERROR GOTO, RESUME