Verifiers

Is the phrase is a palindrome

Calculator checks to see if the specified expression is a palindrome. Palindrome - sounding words as read from left to right and from right to left.

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80924

Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

67115

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.

57377

Verifiers

Verifier numbers EAN-13 preview

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

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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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Math

Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.

54290

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.

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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.

99350

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.