Chemical

Law Boyle's / Mariotte

Calculator based on the values entered pressure and volume of the selected parameter is calculated using Boyle's Law states / Mariotte.

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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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Math

The sum of squares of integers from 1 to n

The calculator calculates the sum of squares of consecutive integers from one to the specified value.

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Circumference of an ellipse

The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.

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Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

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Financial

PV Calculator - The present value of the investment

PV Calculator helps us to calculate the current value of the investment or PV (ang.present value). PV Calculator calculates how much you need today, in the future, get the specified value after a certain number of years and accrue interest payable under the assumption that they will be capitalized (added to the principal) at a specified interval.

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Calculate how long you go on foot

Calculator calculates the approximate time given distance and overcome the distance on foot.