RosettaCodeData/Task/Variables/Applesoft-BASIC/variables.basic

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10 A = 1.7: REM LET IS NOT REQUIRED
20 LET B% = 1.7: REM THE PERCENT SIGN INDICATES AN INTEGER; THIS GETS TRUNCATED DOWN
30 LET C$ = "0121": REM THE DOLLAR SIGN INDICATES A STRING DATA TYPE. THE LEADING ZERO IS NOT TRUNCATED
40 DIM D(20): REM CREATE AN ARRAY OF 21 FLOATING POINT NUMBERS
50 DIM E$(5,10): REM CREATE A TWO DIMENSIONAL ARRAY OF 66 STRINGS
60 LET D(1) = 1.3: REM ASSIGN THE SECOND ELEMENT OF D
70 Y$(3) = "ROSE": REM ASSIGN A VALUE TO THE FOURTH STRING
80 PRINT X: REM UNASSIGNED FLOATING POINT AND INTEGER VARIABLES HAVE A DEFAULT VALUE OF ZERO
90 PRINT Y$(2): REM UNASSIGNED STRING VARIABLES ARE EMPTY
100 PRINT Y$(3);"TTA CODE": REM THERE WON'T BE SPACES BETWEEN ROSE AND ETTA
110 F%(10) = 0: REM IF ARRAYS ARE NOT DECLARED THEY HAVE 11 ELEMENTS BY DEFAULT; IE. DIM F%(10)
120 PRINT G: REM THIS PRINTS 0 AND IS NOT AN ERROR EVEN THOUGH G HAS NOT BEEN DEFINED
130 PRINT D(0): REM THIS IS NOT AN ERROR BECAUSE ELEMENTS ARE NUMBERED FROM ZERO.
140 PRINT F%: REM THIS PRINTS 0 BECAUSE F% IS A DIFFERENT VARIABLE THAN THE ARRAY F%(10)
150 LET D(21) = 6: REM THIS IS AN ERROR BECAUSE D ONLY HAS 21 ELEMENTS INDEXED FROM 0 TO 20.