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Radioactive decay

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


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Calculator enthalpy

Enthalpy calculator is used to calculate the heat transfer during the process kwazistatycznego occurring in a closed thermodynamic system under constant pressure (isobaric process).      
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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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MD5 generator

Jak wygenerować skrót wiadomości z użyciem algorytmu MD5?
Generates a message using MD5 algorithm.
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Peak expiratory flow in Asthma

Calculator based on the difference between the maximum and minimum peak expiratory flow (PEF) provides diagnostic information on the state of the patient's asthma.    
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Calculator prothrombin time (INR)

Calculator to the data calculated INR international normalized ratio. http://en.wikipedia.org/wiki/Prothrombin_time