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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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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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Medical
LBM - body mass without fat
Calculator to the data: weight, height and gender calculates the total body mass without fat (organ weights, blood, bone, muscle, skin).
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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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Legal
Legal calculator
Calculates the effective date of the act, published in the official journal.
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Generators
Pseudo-random number generator without repetition
Calculator generates random numbers without repetition from 0 to n-1.
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Math
The center point (mid point)
The calculator calculates the coordinates of the point located exactly halfway between two preset points in the two-dimensional plane.