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Whether a number is prime

Checks the user number is a prime number.


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Weighted average ratings

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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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Morse - translator

Translates written text into Morse code.      
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Ohm's Law

The calculator calculates the resistance in the circuit in ohms. To obtain the missing value, type two, you already know and can be used to perform the calculations.              
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Verification ISBN preview

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Calculator allows you to verify the ISBN number entered.
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Law Gay-Lussac

Calculator based on the programmed temperature and pressure values ​​are calculated using the selected parameter Gay-Lussac law.