This small size application is a free version of the famous Jigsaw Puzzle game and it has only the basic features such as creating a puzzle image from a picture, selecting the number of pieces (which is limited from 30 up to 1321 pieces) and removing option. You can select the color and the texture for your background too.
Ulam spiral software: For exploring the Prime Number Spiral, 48-piece jigsaw puzzle of some spiral stairs, Tetris clone with 3D playing field and more.
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 sprial plotting software for square (Ulam) and related polygon prime number spirals. Allows multiple prime generating quadratic equations to be displayed simultaneously. Plot data and image files can be saved to disk for further analysis. Demo version is limited to prime spirals based on the square and up to two prime generating quadratic equations.
