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The frequency of the relaxation based on the Arrhenius equation
Calculator based on the given temperature, the frequency of vibration and thermal activation energy calculated częsość relaxation.
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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
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Pseudo-random number generator without repetition
Calculator generates random numbers without repetition from 0 to n-1.
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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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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.