16216
Math

Number of square-triangle (square triangular number)

Number of square-triangle has the properties of a square and a triangular number.          
66061
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.      
18082
Life

Virtual Calculator air temperature

Calculator based on the given air temperature, dew point and barometric pressure are calculated virtual temperature. This is the temperature damages that powinnoby have dry air to its density at the same pressure is equal to the density of moist air.              
33643
Life

Calculator braking

Calculator to the data shows the approximate braking the vehicle to a complete stop.                        
17749
Physical

Resistivity and conductivity

The calculator calculates the resistivity and conductivity of the material from the resistance, cross-sectional area and the length of the element at 20 ° C.            
247529
Building

Kalkulator powierzchni dachu

Jak obliczyć powierzchnię dachu?
Kalkulator umożliwia obliczenie powierzchni dachowych w wariantach : jednospadowy, dwuspadowy, trzyspadowy, czterospadowy.
25597
Employee

Calculator average revenue per employee in the company

Calculator on the basis of the specified amount paid salaries and number of employees, calculates the average annual and          
22744
Building

Calculator of wood moisture equivalent

Operating relative Calculator allows you to calculate the equivalent cut wood (hygroscopic balance) based on the model Hailwood-Horrobin.    
21788
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.
90106
Math

Percentage calculator

This calculator allows you to calculate the percentage of the given numerical values.
26151
Financial

Interest coverage

Calculator to the data calculated interest coverage ratio. WPO - tells you how many times the possibility of payment of interest is higher than the interest burden. The higher the level, the company feels less burdensome to pay interest.            
44669
Building

Associated amount of mortar

Jak obliczyć ilość potrzebnych surowców do zaprawy?
Calculator on the basis of the specified class of mortar and grout qs calculates the amount of raw materials.
33747
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.  
19358
Chemical

The frequency of the relaxation based on the Arrhenius equation

Calculator based on the given temperature, the frequency of vibration and thermal activation energy calculated częsość relaxation.