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Whether a number is prime

Checks the user number is a prime number.


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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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Verifier NRB / BBAN

Calculator allows you to verify the correctness of the entered account number.                
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Coreless coil inductance

The calculator calculates the inductance of the coil without core on the basis of the given coil length, diameter and number of turns.                  
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Calculator altitude clouds

Calculator allows you to calculate the amount of clouds and the temperature based on air temperature and dew point. Long description            
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Calculator seniority in Poland

Calculator to calculate the total length of service after the date of employment or dismissal.        
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Convolution of two vectors

The calculator performs convolution of two vectors of the same length in the field of real numbers by zsuwową.