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).

40234

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.

30007

Chemical

Molar concentration of mass and volume

Calculator allows to determine the molar concentration of the solution.

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20422

Financial

Tax Interest Calculator in Poland

Interest Calculator allows you to calculate the tax arrears interest on tax arrears after the date on which the payment should be paid and the actual date of payment.

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Math

Mean and covariance matrix calculator

Covariance is a measure of the covariance of two variables (X and Y). The calculator calculates the average for the sample and the covariance between variables. Sets of X and Y must be the same number.

15778

Life

Western and Chinese astrological signs (zodiac)

For a given date of birth calculator calculates the corresponding Western and Chinese astrological sign (zodiac).

134082

Math

Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.

22379

Building

Time of the lathe

The calculator calculates the processing time and cut the lathe on the basis of the information given workpiece.