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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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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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Daily caloric needs. How many calories do I need?
Ile kalorii potrzebuję?
Calculator to the data calculates your daily calorie requirement.
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Key indicator Return on assets (ROA)
Calculator based on the values entered in net profit and assets are calculated return on assets ROA. ROA is a measure of return on assets. This ratio indicates a company's ability (and more specifically - of its assets) to generate profit.
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Insulation of wall
Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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Field and circumference of a circle
Jak obliczyć pole i obwód koła?
The calculator based on the specified radius of the area and perimeter of a circle.
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The frequency of the relaxation based on the Arrhenius equation
Calculator based on the given temperature, the frequency of vibration and thermal activation energy calculated częsość relaxation.