Calculate the factorial using Stirling's formula.

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 gives the equation line passing through the points specified by the user in the Cartesian coordinate system.          

Calculator allows to determine the basic statistical parameters such as standard deviation, arithmetic mean, variance, and median for the values.

Calculator allows to determine the existing combinations for the user-specified string.  

The calculator calculates the volume of a cylinder with using of height and area.

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