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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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Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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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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Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
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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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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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Chemical
Law Gay-Lussac
Calculator based on the programmed temperature and pressure values are calculated using the selected parameter Gay-Lussac law.
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Building
Amount of paint necessary to paint the room
Calculator to estimate the amount of paint needed to paint a room by painting a single and double.
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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.