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Chemical

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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Chemical

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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Chemical

Molar concentration of mass and volume

Calculator allows to determine the molar concentration of the solution.            
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Medical

Risk of Clostridium difficile infection bacilli

Calculator to the data given that the risk of C. difficile infection canes for your body. http://pl.wikipedia.org/wiki/Clostridium_difficile              
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Math

Area of a rhombus

The calculator can calculate the area of a ​​rhombus.
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Building

Associated amount of mortar

Jak obliczyć ilość potrzebnych surowców do zaprawy?
Calculator on the basis of the specified class of mortar and grout qs calculates the amount of raw materials.
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Life

Freezing sea water

Calculator based on the average salinity of the basin are calculated freezing point of the water content by the formula Krummel.        
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Financial

Interest Calculator own (contractual)

The calculator calculates the amount of interest your / contract on the basis of the facts and the required payment date and the amount and percentage rate (annual, monthly, daily).