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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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Indicator of market price to earnings per share

Calculator to the data calculates the market price to earnings per share P / E. P / E indicates how many times the company's market value is higher than the profit earned during the year. Reflects the attitude of investors to the company. The increase in this ratio indicates that investors decide to pay for the shares of the company more than before.            
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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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The volume of a cube

The calculator allows you to calculate the volume of a cube.
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Distribution of the factors

Calculator performs decomposition of the given number of factors that are prime numbers (factorization).        
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Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.