Verifiers

Verification of the REGON number in Poland

Verifier allows you to validate entered REGON number

Long description

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76924

Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

63754

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.

53873

Verifiers

Verifier numbers EAN-13 preview

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

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73662

Math

Circumference of an ellipse

The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.

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Verifiers

Verifier ISMN numbers

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

15128

Health

The generator ideal body weight by the formula ALIC

The calculator allows you to calculate your ideal weight for your body according to the model of the American Life Insurance Company

89028

Chemical

Calculator enthalpy

Enthalpy calculator is used to calculate the heat transfer during the process kwazistatycznego occurring in a closed thermodynamic system under constant pressure (isobaric process).

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Building

Air conditioning calculator

Calculator helps you calculate the estimated power consumption for room air conditioner with the specified size and the number of people working in the space.