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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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Financial
Key indicator Return on assets (ROA)
Calculator based on the values entered in net profit and assets are calculated return on assets ROA. ROA is a measure of return on assets. This ratio indicates a company's ability (and more specifically - of its assets) to generate profit.
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Math
Action at a fraction of the usual
The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.
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Calculate how long you go on foot
Calculator calculates the approximate time given distance and overcome the distance on foot.
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Life
How far was struck by lightning
Calculator based on the specified time from seeing lightning until you hear thunder in the distance calculated discharge occurred.
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Calculate the factorial using Stirling's formula.
The calculator calculates the approximate value of the motor using Stirling's formula