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.

Long description

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74472

Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

51426

Verifiers

Verifier numbers EAN-13 preview

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

39197

Verifiers

Verification of the ISSN

Calculator allows you to verify the number entered ISSN (International Standard Serial Number serial publication). FAQ: How ISSN number?

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74472

Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

999997

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.

11758

Medical

Peak expiratory flow in Asthma

Calculator based on the difference between the maximum and minimum peak expiratory flow (PEF) provides diagnostic information on the state of the patient's asthma.

23271

Life

Calculator spending on cigarettes

Calculator based on the price quoted for the package and the amount consumed per month package, gives the annual cost of smoking cigarettes.

41672

Math

Calculate how long you go on foot

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