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How far was struck by lightning

Calculator based on the specified time from seeing lightning until you hear thunder in the distance calculated discharge occurred.

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

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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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Calculator gives the resistance of the resistor based on the introduced color bars.

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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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Field of the cylinder and

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Calculator based on the introduced: the radius of the cylinder base and calculates the area and volume.

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