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Short 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. Power Rank:
Program: Prime Number Spiral 7.67 Version: 7.67 Size: 1.37 MB License: Shareware Operating Systems: Win95, Win98, WinME, WinXP, WinNT 4.x, Windows2000, Windows2003 Price: $16.00 [ Buy Now ] Last update: 2007-10-19 Publisher: Hermetic Systems Languages: Status: Minor Update Category: Mathematics System Requirements: A video resolution of 800x600 or better. What's new: Improved activation-key-request window. Screenshots The purpose of the screenshots here is to give you a general idea of how the product looks. Recentsoft.com is not responsible for the content of these sceenshots. [ Suggest to a friend ] [ Add to my favorites ] [ Add to my bookmarks ] [ Add to my version alerts ] [ Add to my price alerts ] [ Report broken link ] [ Report problem ] Version history: Prime Number Spiral Reviews: Be the first user to review this product! Review Prime Number Spiral Your Name: Rating: < Select > Awful Bad Usable Good Excellent Comment:

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