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Prime Number Spiral     6.79

Author  Hermetic Systems
Date  11/20/2005
Size  1664 KB
License  Shareware
Price  US $15
Platform  Win95,Win98,WinME,WinXP,WinNT 4.x,Windows2000,Windows2003
Installation  Install and Uninstall
Daemon Rating Not Rated
Downloads  140
User Rating 

Minimum Requirements  A video resolution of 800x600 or better.
Limitations 

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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Copyright © 2005 Castle Software Ltd