Life

Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description

Long description

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Life

Calculate how much you drink pure ethanol

On the basis of the data entered, the amount of drink and the percentage of alcohol content calculator calculates pure ethyl alcohol that we consume.

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Life

Battery charging time calculator

Calculator to the data calculates the estimated time of charging.

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Life

Map Scale Converter

Calculator allows to determine the actual distance corresponding to the distance on the map with the specified scale. If the map at 1:500,000 scale the input field, enter the value 500000.

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Building

Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.

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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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Chemical

Charles Law

Calculator based on the programmed temperature and volume of the selected parameter is calculated using the right Charles.

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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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Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.