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Number Systems - The Different Systems

Nimpo

The Different Systems

    A Number System is simply a counting system.  Each system has its own base, or number of unique symbols.  The Decimal (Base 10) has 10 such unique symbols (0-9).  Binary has 2 (0 and 1).  Any thing above Base 10 uses a numeric and letter combination (such as Hexadecimal's 0-9 A-F).

    Here is a (not complete) list of Number Systems (The "no-name" entries are commonly refered to as:  Base #): 

Public Enum NumeralSystems As Short
   RomanNumerals = 0
   Unary = 1
   Binary = 2
   Ternary = 3
   Quaternary = 4
   Quinary = 5
   Senary = 6
   Septenary = 7
   Octal = 8
   Novenary = 9
   Undenary = 11
   [Decimal] = 10
   Duodecimal = 12
   Tredecimal = 13
   Quattuordecimal = 14
   Quindecimal = 15
   Hexadecimal = 16
   Septendecimal = 17
   Octodecimal = 18
   Nonadecimal = 19
   Vigesimal = 20
   '
   Quinquevigesimal = 25
   Hexavigesimal = 26
   Septemvigesimal = 27
   '
   Trigesimal = 30
   '
   Quadragesimal = 40
   '
   Quinquagesimal = 50
   '
   Sexagesimal = 60
   '
   Quattuorsexagesimal = 64
   '
   Septuagesimal = 70
   '
   Octagesimal = 80
   '
   Nonagesimal = 90
   '
   Centesimal = 100
   '
   Centivigesimal = 120
   '
   Bicentimal = 200
   '
   Tercentimal = 300
   '
   Quattrocentimal = 400
   '
   Quincentimal = 500
   '
   Millesimal = 1000
End Enum

Languages I know (from most comfortable with, to least comfortable with): VB.NET, C#, VB6, and C/C++

I'm 19 years old and pursuing a MS in Computer Science at the Colorado School of Mines. My dad introduced me to programming (with Visual Basic 6) when I was about 10. When I was 13 I was accepted and enrolled at Arapahoe Community College for a programming class and continued there during the summers while in high school.


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  • Re: [5046] Number Systems

    Posted by Nimpo on 11 Sep 2007

    I have just returned from an extended absence from this forum so I realize this is rather late.

    It looks good, the only thing I can spot is the line where you catch the Exception.  Not fin...

  • Re: [5046] Number Systems

    Posted by pmccombs on 24 May 2007

    Thanks for the Roman Numeral example! I made some equivalent functions in C# using Enum's static methods. This results in more concise versions of the two primary methods described in the article. The...