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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
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
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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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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Math
Field parabola
The calculator calculates the surface area of the parabola with the given base width and length of the perpendicular [see calculator squareness]. The result is given as the user input unit square.
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Verifier numbers EAN-8 preview
Verifier numbers EAN-8
Calculator allows you to verify the number entered EAN-8.
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Life
Battery life
Calculator based on the specified battery capacity and consumption estimates the time. Calculator does not take into account changes in CPU speed and action in the case of ACPI computers.
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Verification of the ISSN
Calculator allows you to verify the number entered ISSN (International Standard Serial Number serial publication). FAQ: How ISSN number?
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Area of a triangle using Heron's formula
calculator calculates the area of a triangle after a length of three sides.