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Prime Number Spiral

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company name:
Hermetic Systems
license: Shareware
minimum requirements:
functional limitations:
Prime Number Spiral description

The Prime Number Spiral (a.k.a. the Ulam Spiral) is constructed as follows: Consider a rectangular grid. We start with the central point and arrange the positive integers in a spiral fashion (anticlockwise). The prime numbers are then marked. There is a tendency for the prime numbers to occur on diagonal lines, however far out into the spiral one goes. This is software is for exploring the Prime Number Spiral. It also (a) allows coloring of the prime numbers in various ways, (b) displays a random arrangement to compare with the primes and (c) shows how square and triangular numbers are located on the spiral.

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Prime Number Spiral
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supported os's
    Windows 98
    Windows Me
    Windows NT
    Windows 2000
    Windows XP
    Windows 2003
downloads 74
price $9.99
version 8.01
size in Kb 1,420
user rating 5/10
our rating 5 Stars
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