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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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The calculator calculates the inductance of the linear guide based on input of diameter and length.              
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Fibonacci series

Calculator generates an n initial words of the Fibonacci sequence      
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Coverage of debt

Calculator to the data calculated debt coverage ratio. WPD - is often used as an indicator in assessing credit worthiness.              
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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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Your weight on other planets

Your weight on other planets Calculator us by the specified weight on Earth is given if you would weigh on other planets and the Moon and Pluto.