21340
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).
41191
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.
30689
Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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Financial
ROCE - an indicator of the efficiency of investment
The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.
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Math
The harmonic mean
Calculator based on the entered numbers separated by commas calculate the harmonic mean.
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Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
Long description
19179
Verifiers
Verifier numbers Postnet
Calculator allows you to verify the number entered Postnet.