27064
Generators

SHA-2 generator

Generates a message using SHA-2 algorithm.
23742
Verifiers

Verification of the REGON number in Poland

Verifier allows you to validate entered REGON number
67676
Life

Combustion Calculator - L/100km <-> MPG (U.S.)

Calculator allows the conversion of fuel combustion km / h on U.S. MPG (Miles per Gallon) and vice versa.                      
66960
Math

Mean and covariance matrix calculator

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.      
40969
Generators

Pseudo-random number generator without repetition

Calculator generates random numbers without repetition from 0 to n-1.        
19112
Math

Fibonacci series

Calculator generates an n initial words of the Fibonacci sequence      
35135
Employee

Calculator social security contributions - the calculation of rates in Poland

Jak obliczyć wysokość składek ZUS? Jak obliczyć składkę na ubezpieczenie społeczne? Jak obliczyć ubezpieczenie zdrowotne?
Calculator to calculate gross salary given social security contributions deducted from the salary of the employee and the employer. [since 2008]            
21890
Math

Area of a rhombus

The calculator can calculate the area of a ​​rhombus.
63669
Math

Bernoulli scheme

Calculator allows you to calculate the probability of a given number of successes with a specified number of trials and probability of success.
84564
Life

Calculator child's blood group

Calculator based on blood group made ​​of both parents, given that they are owned by the child possible blood groups.
19094
Math

Volume of the parallelepiped

The calculator allows you to calculate the volume of the parallelepiped.
20426
Building

Metal weight calculator

the calculator calculates the mass of metal parts according to the form of the product and the type of metal                
22624
Math

Action at a fraction of the usual

The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.
17700
Math

Number of triangular

In math calculator calculate triangular number is a number that can be represented as the sum of consecutive integers starting.    
50923
Health

Indicator of body fatness BAI (Body Adiposity Index)

The calculator to the data rate of BAI our body. It is a later invention, and gives a more accurate picture of the state of our body than BMI.