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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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Volume of the parallelepiped

The calculator allows you to calculate the volume of the parallelepiped.
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The center point (mid point)

The calculator calculates the coordinates of the point located exactly halfway between two preset points in the two-dimensional plane.          
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GCD + LCM (Euclidean algorithm)

GCD + LCM (alg. Euclid) The calculator calculates the greatest common divisor (GCD) and least common multiple (LCM) of two numbers. Long description   Number 1   Your first \ u0105 numbers \ u0119      
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Field and circumference of a circle

Jak obliczyć pole i obwód koła?
The calculator based on the specified radius of the area and perimeter of a circle.          
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Size calculator added sugar to wine [brix scale]

Calculator allows to determine the amount of sugar needed to raise the level of its content in the wine to the expected level.