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Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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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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Radioactive decay
The calculator calculates how much radioactive material remains after a certain period of time.
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Verification of the social security number in Poland
It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.
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Size calculator added sugar to wine [brix scale]
Calculator allows to determine the amount of sugar needed to raise the level of its content in the wine to the expected level.
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Calculator ARP (annual percentage rate)
calculator to input the loan amount, the amount of commission (percentage) and the repayment time is calculated the annual interest rate.
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Circumference of an ellipse
The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.
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Verification of the REGON number in Poland
Verifier allows you to validate entered REGON number