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Verifiers
Verification of the REGON number in Poland
Verifier allows you to validate entered REGON number
Long description
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Verifiers
Verification ISBN preview
Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?
Jak zweryfikować numer ISBN?
Calculator allows you to verify the ISBN number entered.
37402
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.
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Verifiers
Verifier numbers EAN-13 preview
Verifier numbers EAN-13
Calculator allows you to verify the number entered EAN-13.
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Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.
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Sieve of Eratosthenes
The program generates the prime numbers in a given range using the sieve of Eratosthenes algorithm.
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Calculator based on the entered value of current assets and current liabilities, current ratio is calculated. WBP shows the coverage of short-term working capital commitments the company.
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Associated Hyponatremii sodium deficit.
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