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 Software for exploring the Prime Number Spiral a k a the Ulam Spiral
Enter a number and factorize the prime numbers that evenly divide into it
For factoring integers finding primes and plotting associated histograms
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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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Enter any number up to twenty digits, and click the button. The result will be a string of unique prime numbers that can evenly be divided into the number that was entered.
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A program to find prime numbers and pairs of primes, to decompose numbers into their prime constituents, to find all factors of any positive integer up to 2,147,483,645, and to plot Erdos-Kac and Palmen Color histograms.
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A programmable multiple-precision hex calculator with many utilities. With it, you can easily perform a lot of big number math and encryption operations, such as: square root, modular inverse; hash make; primality test; hex, dec, oct, bin conversion.
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Prime Option is used to measure what is important and to select the best option. It can be used to choose products, software, development options, shares, funds, staff, features and design points.
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SurfTris is a Tetris clone with a new twist. Instead of 2D plane, playing field is spread upon a 3D surface. There are five different surfaces to choose from: Cylinder, Cone, Hyperboloid and two twisted spiral planes.
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Beautiful 48-pc jigsaw puzzle of a set of spiral stairs looking up to the sky.
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Hey! FIFA World Cup is in its prime and you have a unique chance to invite Ronaldo, Zidane, Owen and other football stars over absolutely free! Just download this outstanding screensaver and you are on the all-star team!
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Create professional quality math worksheets in moments with versatile software with over 60 mathematic worksheet activities. The worksheets include adding and subtracting fractions, counting patterns, telling time, magic squares, metric weights and..
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Review by charoon: very good for student and evryone (4/5 - 14-Aug-2005)
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Test any number for primality with a single click. It uses a deterministic test and uses the Sieve of Eratophenes logic. Listed on The Math Forum @ Drexel (University) for Middle School, High School and College, ages 6+. $4.95 for the suite.
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