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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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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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Physical
Coreless coil inductance
The calculator calculates the inductance of the coil without core on the basis of the given coil length, diameter and number of turns.
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Math
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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Generators
SHA-1 generator
Jak wygenerować skrót wiadomości z użyciem algorytmu SHA-1?
Generates a message using SHA-1 algorithm.
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Verifiers
Verification ISBN preview
Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?
Jak zweryfikować numer ISBN?
Calculator allows you to verify the ISBN number entered.