27611
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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65707
Physical
Calculator resistance resistor ( bars)
Calculator gives the resistance of the resistor based on the introduced color bars.
62739
Physical
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
55306
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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56529
Verifiers
Verifier numbers EAN-13 preview
Verifier numbers EAN-13
Calculator allows you to verify the number entered EAN-13.
26929
Financial
PV Calculator - The present value of the investment
PV Calculator helps us to calculate the current value of the investment or PV (ang.present value). PV Calculator calculates how much you need today, in the future, get the specified value after a certain number of years and accrue interest payable under the assumption that they will be capitalized (added to the principal) at a specified interval.
92304
Math
Percentage calculator
This calculator allows you to calculate the percentage of the given numerical values.
66368
Verifiers
Verification of the social security number in Poland
It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.
23507
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.