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Calculator - dosage of CO2 in the aquarium
Ile co2 w akwarium?
Dawkowanie co2 w akwarium.
The online calculator by entering the pH and kH values to calculate the concentration of CO2 in the aquarium.
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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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Student loan repayment calculator in Poland
The calculator student loan payments incurred for the specified period.
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Chemical
Ideal gas equation
Calculator based on the ideal gas law gives the value of the variable you want to calculate on the basis of these other variables.
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Generators
MD5 generator
Jak wygenerować skrót wiadomości z użyciem algorytmu MD5?
Generates a message using MD5 algorithm.
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Ceiling oxygen uptake (VO2 max)
Calculator to the data calculated threshold of human breathing, the oxygen absorption by the body. This is one of the basic indicators of human performance. http://pl.wikipedia.org/wiki/Pu% C5% 82ap_tlenowy
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Verifiers
Verifier numbers Postnet
Calculator allows you to verify the number entered Postnet.