Category: Measurements and Units

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1.The Working of Elo Rating System in Chess

Simple explanation of Elo rating system for chess players. All you need to know: Elo system, Elo results, Elo calculation.

http://www.chesselo.com

2.Unit Conversion and Dictionary

Units conversion of space and time, mechanics, heat, electricity and magnetism, light, radiation, acoustics. Easy to find their definitions, including featured engineering calculators.

http://www.uniteasy.com/