Calculate how many words and characters in the text

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

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

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.      

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

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

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

Calculator based on the introduced: the radius of the cylinder base and calculates the area and volume.