concentration and ideal gas calculators simplify solving of all kinds of stoichiometry questions, both textbook and real life ones. To solve most questions it is enough to enter known information - program immediately balances equation, calculates molar masses of all substances, finds out limiting reagents and calculates stoichiometric amounts of all compunds involved. Concentration calculator helps in conversions between volume, mass (or number

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Protect your eyes from harmful monitor influence. Easy Eyes Saver: helps to prevent CVS (Computer Vision Syndrome), reduces eyestrain, dry eyes, backache, wrestache and neckache brought on by durable computer work, helps to preserve working aapacity and attention concentration during the whole working day, helps to destress, helps to preserve acuty of vision while durable usage.

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Brain Workout has 15 mentally stimulating activities to exercise the mind and help improve concentration and memory. Users have their own training programme in the gym and can track their progress in the categories; verbal, logic, spatial, numerical and memory. There are 5 levels of difficulty to work through in Daily Test or Practice Mode. There are also multiple player profiles and changeable skins.

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Moraff`s CyberMemory challenges your memory on a game board with up to seventy two cards. This concentration style game offers an attractive interface, hide-away menu bar, and background midi music to soothe your nerves as you play. The objective is to turn over cards and find the matching pairs. Remember where you saw the images then come back to the proper square when you can make a match. This version allows you to choose the game board size,

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3D Ball Slider is a peaceful game to develop skills for moving objects in space, for concentration and self control. The perfect ballistics gives an astonishing illusion of handling real objects. It offers three levels of difficulty, each with 61 runs. The game consists in letting balls roll on a plate and control them to their respective supports without falling off, controlling the inclination of the plate using the arrows of your keyboard.

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Find matching pairs of pictures of characters taken from various PC games. The less time you spend and the fewer attempts you need, the more points you will score. The enjoyable range of characters (some animated) will even motivate young players to train and test their concentration and memory. Additional incentive is provided by the high-score list for the best players.No special installation required; simply download the game and start playing

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