Prime Numbers Software

Factorizer by Hermetic Systems

A program to find all factors of any positive integer less than 2^31 - 2, to decompose numbers into their prime constituents, to find prime numbers and pairs of primes, and to plot Erdos-Kac and Palmen Color histograms.

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Prime Number Spiral by Hermetic Systems

The Prime Number Spiral (a.k.a. the Ulam Spiral) is formed by marking the prime numbers in a spiral arrangement of the natural numbers. This is software is for exploring the Prime Number Spiral.

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DreamCalc Pro by Andy Thomason

DreamCalc Pro is the professional scientific and financial calculator for Windows. It is easy to use and provides a natural interface with a tactile feel, allowing you to finally dispense with your desk calculator. Screenshot is a Must See!

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