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JOSEPH K. WILLIAMS
This program will accept any date in the twentieth
century (1900 thru 1999) typed on the terminal, and
will display on the terminal the day of the week on
which it occurrs. if the user misspells the name
of the month, a correct answer will be displayed if
the first three letters are correct. A unique
algorithm is used such that the machine memory
requirement is nil. Program prompts for all input
data and tests it for logical occurrence. Should
a faulty date such as: June 36, 1987, be given, the
user is notified of the error and is again prompted
for input. There is absolutely no restriction on
the number of inquires that can be made. With
minor modifications, this program will run on any
EXAMPLES OF WKDAY.FOR PROGRAM EXECUTION FOLLOW:
1) CORRECT INPUT
MONTH ? DECEMBER
DAY ? 23
YEAR ? 1978
THE DATE: DEC 23, 1978 OCCURS ON A SATURDAY.
2) CORRECT INPUT EVEN THO MONTH IS MISSPELLED
MONTH ? JANUUA
DAY ? 31
YEAR ? 1914
THE DATE: JAN 31, 1914 OCCURS ON A MONDAY.
3) CORRECT INPUT, NOTE A LEAP YEAR
MONTH ? FEBRUARY
DAY ? 29
YEAR ? 1976
THE DATE: FEB 29, 1976 OCCURS ON A SUNDAY.
4) CORRECT INPUT, BUT WRONG DATE
MONTH ? FEBR
DAY ? 29
YEAR ? 1979
THAT IS AN IMPOSSIBLE DAY !