19530
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.
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65834
Physical
Calculator resistance resistor ( bars)
Calculator gives the resistance of the resistor based on the introduced color bars.
62854
Physical
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
55410
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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Math
Field and volume of a sphere
Calculator by entering the radius of the sphere is calculated its surface and volume.
32896
Math
Distribution of the factors
Calculator performs decomposition of the given number of factors that are prime numbers (factorization).
30050
Math
Number cheerful
Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.
27739
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.
27305
Financial
Excise tax refund calculator in Poland
Calculator based on the specified value of the car, paid tax engine calculates the amount of refund of excise duty.