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.

This calculator allows you to calculate the percentage of the given numerical values.

Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.              

The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.    

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

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

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

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

The calculator calculates the trapezoid box.          

Calculator allows you to calculate the probability of a given number of successes with a specified number of trials and probability of success.

The calculator converts a fraction to a decimal or vice versa.

Covariance is a measure of the covariance of two variables (X and Y). The calculator calculates the average for the sample and the covariance between variables. Sets of X and Y must be the same number.      

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