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Field and volume of a sphere

Calculator by entering the radius of the sphere is calculated its surface and volume.      


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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 numbers EAN-8 preview

 Verifier numbers EAN-8 Calculator allows you to verify the number entered EAN-8.          
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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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Number of triangular

In math calculator calculate triangular number is a number that can be represented as the sum of consecutive integers starting.