CHEMIX School 

CHEMIX School - Software for Chemistry It is equipped with a periodic table, molecular 3-D viewer, curve fit, spectroscopy, conversion table, dictionary and many advanced calculators. Chemistry lessons and problems are included.
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ChemCalcs 

ChemCalcs provides a unique and intuitive system for mastering fundamental skills and processes essential to theunderstanding of chemistry calculations and concepts. The unique standardised interface system allows students to solve top roblems
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