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PsL Monthly 1993 December
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PSL Monthly Shareware CD-ROM (December 1993).iso
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basic
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pbtool.exe
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ISLEAP.BAS
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BASIC Source File
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1991-12-11
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1KB
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45 lines
'----------------------------------------------------------
' PROGRAM: ISLEAP.BAS PROGRAMMER: A. KELLETT
' DATE-WRITTEN: 06/03/91
' USING POWER BASIC V2.10A
'
' THIS PROGRAM CHECKS FOR LEAP YEARS, YEAR MUST BE 4 DIGITS!
'
' VERSION: 0.00 LAST UPDATED: 00/00/00
'----------------------------------------------------------
CLS
LOCATE 1,25:PRINT "LEAP YEAR TEST PROGRAM"
LOCATE 5,10:INPUT "ENTER 4 DIGIT YEAR ie 1977 [1600 thru 2900] ";YEAR
IF YEAR < 1600 OR YEAR > 2900 THEN
LOCATE 8,10:PRINT "YEAR OUT OF RANGE..."
END
END IF
GOSUB ISLEAPYEAR
IF ISLEAP = 1 THEN
PRINT "THAT IS A LEAP YEAR"
ELSE
PRINT "THAT IS NOT A LEAP YEAR"
END IF
END
'
'
'--------------------------------------------------------------------
ISLEAPYEAR:
IF YEAR/4 = INT(YEAR/4) THEN
ISLEAP = 1
IF YEAR/100 = INT(YEAR/100) THEN
ISLEAP = 0
IF YEAR/400 = INT(YEAR/400) THEN
ISLEAP = 1
END IF
END IF
ELSE
ISLEAP = 0
END IF
RETURN