Pi-Anniversary

Pattern Anniversary iOS App

Pi-Anniversary will save the event date and remind you when its anniversary is coming up. Be it one year, Pi*10^3 days, or 0x77777 seconds. Ever wanted to measure your child’s age according to the Mayan calendar? With many anniversary parameters built-in Pi-Anniversary is the perfect choice to keep track of nerdy events. Important or mundane, sad or happy, there will always be an occasion to commemorate with Pi-Anniversary.
iPhone

Features:

  • Numeral systems:
    • decimal (base 10)
    • binary (base 2)
    • hexadecimal (base 16)
    • quinary (base 5)
    • octal (base 8)
    • vegesimal (base 20)
    • Mayan calendar (modified base 20)
  • Time units:
    • years
    • marsian years
    • months
    • weeks
    • days
    • hours
    • minutes
    • seconds
    • uinals (mayan months)
    • tzolkins
    • tuns
    • Calendar Rounds
  • Number Patterns:
    • zero rounded
    • same digits
    • perfect numbers
    • circular prime numbers
    • math constants
  • New Year days:
    • Gregorian
    • Julian
    • Chinese
    • Mayan
    • Jewish
    • Islamic
    • Gaelic (Celtic, Irish)
    • Nepali
    • US Government Fiscal :)

Technical details:

  • iOS 5.1+ tested
  • iOS 7.* updated
  • iPhone/iPod Touch-5 4" screen support
  • Approximate size 0.6MB
  • Localized: English...

Fun facts:

  • Elvis Presley, widely believed to be abducted by aliens, turned 42 Marsian years old on January 6, 2014.
  • Two days later, he turned 79 Earth years old, which is also Circular Prime number.
  • On the day of his abduction he was b111111111 months old (binary, that's 9 "ones").
  • Also, on that same day his age was 2.3.4.1 according to Mayan long count.
  • Mayan calendar did go to next Baktun on December 21, 2012...
  • That date looked like 13.0.0.0.0, ouch... but
  • mayans considered 13 a special number.