picture of
Tess
While you draw, Tess will maintain the symmetry group you have chosen- 24 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Tess also supports all 28 (29) types of Heesch tilings. Illustrations may be printed from Tess or exported to GIF, JIF, PCX, DXF, SVG, and other formats.
Advanced yet easy-to-use math calculator that immediately and precisely computes the result as you type a math expression. It allows multiples math expressions at same time. It also allows fractions and defining your own variables and functions.
Easy-to-use 3D grapher that plots high quality graphs for 2D and 3D functions and coordinates tables. Graphing equations is as easy as typing them down. Graphs are beautifully rendered with gradual colors and lighting and reflection effects.
Algebra Vision is a unique educational software tool to help students develop algebraic problem solving strategies. It provides an environment to play and see algebra in a more tangible light.
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EQUALS uses the educational power of jigsaw puzzle and visual learning to help kids learn basic math the easy, fun and in a very rewarding way.