28008
Math

Calculation fields of plane figures

Jak obliczyć pole figury płaskiej?
Jak obliczyć pole kwadratu?
Jak obliczyć pole prostokąta?
Jak obliczyć pole trójkąta?
Jak obliczyć pole trapezu?
Jak obliczyć pole koła?
Calculator helps you calculate the area of ​​the selected shape.                              
3678370
Building

Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.                          
97272
Calendar

Perpetual calendar

jak obliczyć dzień tygodnia na podstawie daty?
Calculator gives what day of the week for the date specified by the user.                  
23641
Math

The sum of squares of integers from 1 to n

The calculator calculates the sum of squares of consecutive integers from one to the specified value.      
17889
Verifiers

Verifier numbers Postnet

Calculator allows you to verify the number entered Postnet.          
23484
Math

The distance of a point from a straight

The calculator calculates the distance of the given coordinates of the line              
35419
Physical

Core area

The calculator calculates the optimal surface for the heat sink temperature indicator.
28363
Math

Number cheerful

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.    
65058
Math

Combination of characters and numbers

Calculator allows to determine the existing combinations for the user-specified string.  
34115
Life

Calculator degrees Plato / Brix

The calculator calculates the sugar content of a drink in degrees Plato and Brix and the volume of alcohol in the solution based on the relative density of the solution.  
15549
Math

Number of tetrahedral

Tetrahedral numbers are the natural numbers, for which it is possible to construct a tetrahedron formnego of bullets. They are a special case of the pyramidal numbers.        
22417
Math

Area of ​​a rectangle

The calculator can calculate the area of a ​​rectangle.
90373
Chemical

Calculator enthalpy

Enthalpy calculator is used to calculate the heat transfer during the process kwazistatycznego occurring in a closed thermodynamic system under constant pressure (isobaric process).      
26678
Life

Calculator drink alcohol content

The calculator calculates the approximate alcoholic drink prepared on the basis of designs by Dave Miller, George Fixa or Jean De Clerck.