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Radioactive decay

The calculator calculates how much radioactive material remains after a certain period of time.      


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Dilution of solutions

Legend of given volume and calculates the concentrations of the solutions before and after dilution of the volume of solution added is calculated.              
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Molar concentration of mass and volume

Calculator allows to determine the molar concentration of the solution.            
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The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description      
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The deficit of carbohydrates - HCO3

The calculator based on your input deficit of carbohydrates.            
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Ceiling oxygen uptake (VO2 max)

Calculator to the data calculated threshold of human breathing, the oxygen absorption by the body. This is one of the basic indicators of human performance. http://pl.wikipedia.org/wiki/Pu% C5% 82ap_tlenowy