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Friis transmission equation

The calculator calculates the power at which the antenna receives the signal output from the second antenna of the power and distance greater than a single wavelength. The higher the frequency, the higher the transmission power loss from the signal transmission.        

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Calculator resistance resistor ( bars)

Calculator gives the resistance of the resistor based on the introduced color bars.
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Parallel connection of resistors

The calculator calculates the equivalent resistance of two resistors connected in parallel.            
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Associated force of the hydraulic piston and the cylinder

Hydraulic cylinder is a mechanical akutatorem used for power transmission line by a linear thrust. Through the movement of the piston up and down over the forces and pressure. This calculator is used to calculate the two forces given angle for each operation.      
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Calculator floor panels

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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.
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Law Boyle's / Mariotte

Calculator based on the values ​​entered pressure and volume of the selected parameter is calculated using Boyle's Law states / Mariotte.                  
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Ceiling oxygen uptake (VO2 max)

Calculator to the data calculated threshold of human breathing, the oxygen absorption by the body. This is one of the basic indicators of human performance. http://pl.wikipedia.org/wiki/Pu% C5% 82ap_tlenowy                      
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Associated ceiling material thickribs

Calculator allows you to calculate the approximate consumption of materials per 1 m2 rib ceiling with ceramic and concrete.