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Chemical

Ideal gas equation

Calculator based on the ideal gas law gives the value of the variable you want to calculate on the basis of these other variables.                    


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Chemical

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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Math

Mean and covariance matrix calculator

Covariance is a measure of the covariance of two variables (X and Y). The calculator calculates the average for the sample and the covariance between variables. Sets of X and Y must be the same number.      
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Building

Insulation of wall

Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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Life

Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description      
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Financial

Limit calculator, which entitles them to exemption from VAT in Poland

Calculator allows you to see what gives you the right amount of turnover for exemption from VAT if you started a business during the year.
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Health

Calculator / BMI - Calculate Body Mass Index indicator

jak obliczyć BMI?
The online BMI calculator calculates the body mass index - BMI - based on height and weight entered.