Chapter 8: Mastery
Mentally calculate the day of the week, given any date in any century
Garry Booker
Retired. My favorite sources of entertainment are Wikipedia and YouTube, preferably together.
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Read 10 days ago and current, but nothing has been published for 21 months.
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Mentally calculate the day of the week, given any date in any century
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Mentally calculate the day of the week, given any date in any century
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Mentally calculate the day of the week, given any date in any century
Chapter 4: Ten Months
Mentally calculate the day of the week, given any date in any century
Chapter 3: The Recipe
Mentally calculate the day of the week, given any date in any century
Chapter 2: Mod7 Magic
Mentally calculate the day of the week, given any date in any century
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Mentally calculate the day of the week, given any date in any century