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We usually take base 10 as being the natural way to look at numbers but is it? How are other types of numbers used in measurement units?


Number systems and bases, measurement units

  • Numeric systems
    • base 10 - is it natural?
    • “Roman” system of hand gestures & Roamn Numerals
    • French system
    • Khmer system
    • base 16/36/60
  • Time and dates
    • Time
    • How dates are written: D/M/Y, M/D/Y, Y-M-D
  • Metric system and its bases
  • Imperial bases
  • Imperial/US Customary unit
  • Imperial Units (why they’re OK to use)
    • Inch - finger
    • Foot - foot/12 fingers
    • Cubits - forearm(not used so much)
    • Mile - 20 min walk
      • International Mile vs Survey Mile
    • Volume - powers of two:
      • Cup -> Pint -> Quart -> half-gallon -> gallon
    • Temperature
    • Weird Units

References

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