The harmonic mean

The calculator calculates the weighted average of the ratings of the following items.              

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.      

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.

The calculator based on the specified radius of the area and perimeter of a circle.          

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

Area and perimeter of the cone Calculator by entering the radius of the base of the cone, and its height is calculated lateral surface area of the cone, the total area and volume.   The radius of the base of the cone