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Prime Number Spiral 7.42

Size

 1.88 MB

License

 Shareware

Price

 15 USD

Category

 Home & Education / Mathematics

Operating System

 Win95,Win98,WinME,WinXP,WinNT 4.x,Windows2000,Windows2003

Developer

 Hermetic Systems

 

Prime Number Spiral 7.42 Review




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.
Program system requirements: A video resolution of 800x600 or better.

New in this version: Minor improvements.

Screenshot:

Prime Number Spiral
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File size 1.88 MB

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