51314
Life
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.
Long description
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1672131
Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
Long description
238846
Life
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.
146409
Life
Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
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42361
Financial
Interest Calculator own (contractual)
The calculator calculates the amount of interest your / contract on the basis of the facts and the required payment date and the amount and percentage rate (annual, monthly, daily).
70803
Math
Arabic numbers Converter - Roman
Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.
25260
Physical
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.
1044013
Building
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.
96263
Financial
The calculation wynagordzenia - wage calculator (service contract) in Poland
jak wyliczyć wynagrodzenie?
jak obliczyć pensję?
jak obliczyć wypłatę?
Wage Calculator (the service contract and work - power advances) calculates the net remuneration of civil contracts from the following gross salary.