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

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.

Calculator to the data calculates the estimated time of charging.            

Calculator helps you calculate the distance in a straight line between two selected major Polish cities.      

Calculator based on the sex of the baby and given parental height calculated the projected increase in the child as an adult.            

Calculator based on the average salinity of the basin are calculated freezing point of the water content by the formula Krummel.