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Calculator based on the specified time from seeing lightning until you hear thunder in the distance calculated discharge occurred.
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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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ROCE - an indicator of the efficiency of investment
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Date calculator
Calculator allows you to calculate the date, which will be after a specified number of days, months and years from a certain date.
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The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Maximum Heart Rate
The calculator allows you to calculate the index of maximum heart rate (MHR) for your body
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Calculator seniority in Poland
Calculator to calculate the total length of service after the date of employment or dismissal.