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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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Roots of a quadratic equation
Calculator based on the entered coefficients calculated roots of a quadratic equation.
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Field and volume of a sphere
Calculator by entering the radius of the sphere is calculated its surface and volume.
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Return on investment over the
Calculator allows you to calculate the return on equity of investment in any financial instrument in relation to the value obtained at the beginning and end of the period.
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Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.