26795
Physical
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.
Long description
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64993
Physical
Calculator resistance resistor ( bars)
Calculator gives the resistance of the resistor based on the introduced color bars.
62098
Physical
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
54577
Physical
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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23021
Medical
Calculator index of renal failure (Renal Failure Index)
Calculator to the data: the amount of sodium in the urine, serum creatinine and urine of renal failure calculates the RFI.
38101
Life
The distance calculator between cities Polish
Calculator helps you calculate the distance in a straight line between two selected major Polish cities.
20847
Verifiers
NIP correctness in Poland
Jak sprawdzić poprawność numeru NIP?
Verifier allows you to validate the tax identification number entered
36542
Math
Area and perimeter of the cone
Area and perimeter of the cone
Calculator by entering the radius of the base of the cone, and its height is calculated lateral surface area of the cone, the total area and volume.
The radius of the base of the cone
67160
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.