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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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Calculator child's blood group
Calculator based on blood group made of both parents, given that they are owned by the child possible blood groups.
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Combustion Calculator - L/100km <-> MPG (U.S.)
Calculator allows the conversion of fuel combustion km / h on U.S. MPG (Miles per Gallon) and vice versa.
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Ohm's Law
The calculator calculates the resistance in the circuit in ohms. To obtain the missing value, type two, you already know and can be used to perform the calculations.
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Calculate how much you spend on cigarettes
Calculator helps you calculate the annual expenditure on cigarettes.
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Friis transmission equation
The calculator calculates the power at which the antenna receives the signal output from the second antenna of the power and distance greater than a single wavelength. The higher the frequency, the higher the transmission power loss from the signal transmission.