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Percentage calculator

This calculator allows you to calculate the percentage of the given numerical values.

For getting of the result you need to enter the first field value in percentage, and the second field the number from which you want to get a percentage.



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Trigonometric functions calculator

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NIP correctness in Poland

Jak sprawdzić poprawność numeru NIP?
Verifier allows you to validate the tax identification number entered
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Calculator child's blood group

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