Download Heesch Software

Tess by Pedagoguery Software Inc.

While you draw, Tess will maintain the symmetry group you have chosen; 11 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Tess also supports all 28 types of Heesch tilings. Illustrations may be printed from Tess or exported to JIF, PCX, DXF, SVG, and other formats.

tessellations illustrating tiling symmetric drawing

Chord ID by Kba Software

Chord ID trains chord identification by ear. Chord ID has three answer modes: Functions (Roman numerals), Chords (C Maj, Dmin, etc.), Qualities (Maj, min, dim). Graduated exercises begin with the easy task of identifying only the I or V chords. Select an easy level (under Levels menu) and gradually advance. Repeat as many times as necessary, then check your answer. Chord ID has 18 levels of graduated difficulty in 60 units, 20 questions per unit

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TR Dictionary by Text-Reader Software

An add-on to the Internet Explorer. It converts the browser into: Speaking dictionary. You can see the explanation of a word in the pop-up hint, and hear and read the pronunciation of the word. You can make a choice among lots of dictionaries (English, German, French, Italian etc.). Vocabulary drills. Three efficient tests will help you memorize new words in the shortest possible time. You can read text files and web-pages on and off-line.

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Chemical Equation Expert by etiumsoft

Chemical Equation Expert is an integrated tool for chemistry professionals and students to solve chemical equation problems. It can balance chemical equation quickly and calculate the mass mole of the compounds automatically. Furthermore, It provide a expandable chemical equation library to help you find an equation or make a summary of a certain type of reactions easily.

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Recite Japanese Words by ReciteWords inc

Recite Japanese words is specially developed for people who are increase Japanese vocabulary. you can make settings by yourself for your study aims. And it can be played automatically on the top of the computer screen, so when you work, study and play on the computer , you can master all kinds of Japanese words to increase Your Japanese vocabulary unconsciously, easily.

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Table by ChemTable Software

Multifunctional periodic system of chemical elements, the best PC implementation of this well-known system. It provides an exhaustive information on each element (more than 30 data types for each chemical element) and special built-in calculator to balance the most complicated chemical equations. The program offers a lot of extended features such as supporting database of chemical reactions, giving different periodic system presentations etc.

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