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Calc 3D Pro
Calc 3D is a collection of mathematical tools for highschool and university.

Factorizer
For factoring integers, finding primes and plotting associated histograms.

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Unit convertion tool with 2201 units of measure in 78 conversion tables.

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Prime Number Spiral
Software for exploring the Prime Number Spiral (a.k.a. the Ulam Spiral)

Primality Tester - Utilities.exe(4.17 MB)

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Review Test any number for primality with a single click. Only $4.95 / 10 utilities. Test any number for primality with a single click. Features: * Uses a deterministic test, * Uses the Sieve of Eratophenes logic, * Simple interface, type the start and end numbers and press enter, * Dream ƒrequency "no-frills" style as described by Downlo ...
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