Verifiers

Verifier ISMN numbers

Calculator allows you to verify the number entered ISMN (International Standard Serial Number Printing music).

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Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

62032

Verifiers

Verification of the social security number in Poland

It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.

51914

Verifiers

Verifier numbers EAN-13 preview

Verifier numbers EAN-13 Calculator allows you to verify the number entered EAN-13.

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Medical

Calculator index of renal failure (Renal Failure Index)

Calculator to the data: the amount of sodium in the urine, serum creatinine and urine of renal failure calculates the RFI.

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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.

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Life

Rainwater tank

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

42097

Math

Calculate how long you go on foot

Calculator calculates the approximate time given distance and overcome the distance on foot.

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Life

Freezing sea water

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