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.

Prime Time: Math Adventure is a math-based puzzle game that is actually FUN! There are many math-based games on the market, but few engage the student. Prime Time provides the benefits of educational software in a package enjoyable for both students and gamers. While the material targets grades 3 through 7, children and adults of all ages find it entertaining. Try this gameplay demo to see how much fun math can be!

calculates the prime numbers 1..N, tells you if N is prime etc. Prints tables of primes. Computes the prime just below or above N. calculates the prime numbers 1..N, tells you if N is prime etc. It is useful in computing optimal Hashtable sizes. Java source included.

Factorizer may be used: (1) to get the prime decomposition of all numbers in a range of numbers, (2) to get all factors of a single number or all factors of all numbers in a range, (3) to find only the prime numbers in a range of numbers, (4) to find pairs of prime numbers in a certain range, (5) to count (without displaying) the prime numbers in a range of numbers and (6) to find Fermat and Mersenne primes less than 2,147,483,647.

This application illustrates the notion of an integer’s factors, and of the related property of integers called primeness, or primality. An integer is called prime if it is the product of only one distinct pair of integers. For example, 11 is prime because the only pair of integers whose product equals 11 is 1 and 11, as in 1*11 = 11 .

Num2Text convert numerical values into words in 4 languages<br> For example, the numerical value 7431285.46 would be translated into Seven millions , four hundreds and thirty one thousands , two hundreds and eighty five dollars .

Random Number Generator Pro is a application designed to generate random numbers.

Random Number Generator PPC is a Windows Mobile based software that produces sequences of random numbers. Program can exclude digits and numbers from generated random sequences. User can save results to a text file. Generated random numbers can be positive or negative.

A number game of brains versus brawn! Become a whiz by trying to get the highest score. Crunch away all the numbers in the stage to reach the next level. Not good with numbers? After playing this game you won't be able to stop playing. Great for kids and fun for adults. A great new game similar to the classic game Number Munchers.

Thie program can read your mind(well sort of) - By: <a href="http://www.vsisystems.com/numberboy.asp">Brain Teaser</a>

The Gift (the prize draw software) is an excellent tool for prize draw. It can be used in celebration, raffle and all other situations needing prize draw.

The Gift (the prize draw software) is an excellent tool for prize draw. It can be used in celebration, raffle and all other situations needing prize draw.

The Gift (the prize draw software) is an excellent tool for prize draw. It can be used in celebration, raffle and all other situations needing prize draw.

The Gift (the prize draw software) is an excellent tool for prize draw. It can be used in celebration, raffle and all other situations needing prize draw.

Random Number Generator will let you quickly generate thousands random numbers in seconds! You can choose from a wide array of options: integers vs. floating-point numbers, lower & upper limits, decimal places count, digits to use, negative numbers probability, hexadecimal & binary outputs, and much more! Screen, Clipboard, Text, CSV, XML, HTML, and XLS output formats are supported. Edit, undo/redo, sorting, printing, and statistics support...

ConnectCode Number Manager is a productivity Add-in for working with numbers in Microsoft Excel. It lets you select a range of numbers, increase or decrease their decimal places, modify their values, add leading zeros, align their decimal points, format negative numbers, format numbers as currency, manipulate the display of zeros/positives/negatives/text. If your daily tasks involve number crunching, this will save you hours of tedious work.

Add page number to PDF files with features including setting prefix and suffix for page number, setting page range for processing, defining start and stop page counts for page groups, reversing page numbering, labeling, stamping custom text, alignment, custom position.

Phyllotaxis is the study of the successive arrangement of radial parts of a growing plant, such as the leaves on a stem, or the seeds in the head of a sunflower. This application generates a simple phyllotaxic arrangement of circles, expanding outward at either a linear or an exponential rate. You can specify the angle between each circle (between 0 and 360 degrees), and you can determine rate of expansion using a pair of slider controls.

The spiral of terror is unleashing skulls on your desktop. Download and install this wallpaper now.

Free Fear Spiral Animated Halloween Screensaver by FearIsHere.com. The sprial of fear. Skulls and witches heads flying out to care your desktop and you with this free Halloween screensaver.