14462
Verifiers

NIP correctness in Poland

Jak sprawdzić poprawność numeru NIP?
Verifier allows you to validate the tax identification number entered

Tax identification number is a code used to identify taxpayers in Poland, which consists of 10 digits.

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71058
Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?
Calculator allows you to verify the ISBN number entered.
59092
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.
48981
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

Oxygenation index calculator

Calculator to the data calculated oxygenation index and provides the basis for health information. Oxygenation index (PaO2/FiO2) - the ratio of partial pressure of oxygen in arterial blood and the content of inspired oxygen (oxygen content represented in decimal form). Used in the assessment of respiratory function of the human body.                  
29793
Savings

LPG Calculator - Cost-effectiveness of the gas system in the car

The calculator calculates the savings resulting from the installation of the system in the car LPG gas system.
28685
Life

Calculator degrees Plato / Brix

The calculator calculates the sugar content of a drink in degrees Plato and Brix and the volume of alcohol in the solution based on the relative density of the solution.  
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Life

Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description      
273439
Financial

ROCE - an indicator of the efficiency of investment

The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.