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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Building

Calculator VAT refund for building materials

The calculator calculates the amount of VAT that can be refunded in respect of incurred expenses associated with the purchase of construction materials.

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Verifiers

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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Financial

ROCE - an indicator of the efficiency of investment

The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.

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Savings

How long do you need to save

Based on input converter calculates how long you have to save to accumulate the required amount, taking into account the capitalization of monthly or annual basis.

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Physical

Inductance linear guide

The calculator calculates the inductance of the linear guide based on input of diameter and length.