A guide to computer dating

Article Abstract:

Edward Reingold's book entitled 'Calendrical Calculations' is a good source of information on different types of calendars and the computation behind these. The author also developed a Unix-based editor called GNU Emacs that converts dates from one of 14 calendar systems to the others.

Software, Column, Bibliography, Calendars, Reingold, Edward

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A fractal guide to Tic-Tac-Toe

Article Abstract:

Issues are presented concerning the occurrence of examples of Sierpinski's gasket. The fractal patterns which occur within the game Tic-Tac-Toe are discussed.

Models, Fractals, Tic-tac-toe

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Easter is a quasicrystal

Article Abstract:

The mathematics of calculating the Easter calendar is presented. An Easter quasicrystal is presented graphing the holiday dates for the years 1950 to 2000.

Analysis, Calendar, Quasicrystals, Easter

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