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The distance of a point from a straight

The calculator calculates the distance of the given coordinates of the line              


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Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.              
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Conversion between number bases

Converter allows you to convert numbers between number bases - binary (binary), trójkowym, czwórkowym, Friday, szóstkowym, siódemkowym, octal (octal), dziewiątkowym, decimal (decymalnym) jedenastkowym, dwunastkowym, trzynastkowym, czternastkowym, piętnastkowym, hexadecimal (hex). Typed characters that are not numbers and the letters A, B, C, D, E, F are ignored.      
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Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
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Verification of the ISSN

Calculator allows you to verify the number entered ISSN (International Standard Serial Number serial publication). FAQ: How ISSN number?              
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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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Radioactive decay

The calculator calculates how much radioactive material remains after a certain period of time.      
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Maximum Heart Rate

The calculator allows you to calculate the index of maximum heart rate (MHR) for your body
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Life

Feels like

Calculator on the basis of the given air temperature and wind speed are calculated wind-chill effect.