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

Calculator based on the entered coefficients calculated roots of a quadratic equation.              

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            

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

The calculator performs convolution of two vectors of the same length in the field of real numbers by zsuwową.

Calculator based on the entered numbers separated by commas calculates the geometric mean.        

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      

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

Calculator based on the entered numbers separated by commas calculate the harmonic mean.        

The calculator is designed to count the amount of words and letters in the text

Calculator applies to the basic issues of the absolute value of the non-zero parameter "a"

The calculator calculates the surface area of ​​the parabola with the given base width and length of the perpendicular [see calculator squareness]. The result is given as the user input unit square.    

Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.    

Calculator helps you calculate the area of ​​the selected shape.                              

The program generates the prime numbers in a given range using the sieve of Eratosthenes algorithm.