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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Financial

Settlement km - calculator, model in Poland

jak obliczyć kilometrówkę?

Calculator allows you to calculate the costs that can be refunded for use of a personal vehicle for business purposes.

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Medical

The percentage reduction in blood urea after dialysis

Calculator to the data is given as change the level of urea in the blood after hemodialysis.

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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.

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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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Medical

Clearance (factor treatment) creatinine

Calculator based on the data entered wyestymowany calculated creatinine clearance based on Cockcroft-Gault equation.