16472
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.
Long description
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62442
Physical
Calculator resistance resistor ( bars)
Calculator gives the resistance of the resistor based on the introduced color bars.
59807
Physical
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
51826
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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1653092
Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
Long description
315242
Financial
ROCE - an indicator of the efficiency of investment
The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.
24225
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.
49682
Building
Making the walls to the finshed state
Calculator allows you to calculate the amount of the dry wall assemblies or kilograms of the plaster needed to finish the walls of a room with the indicated dimensions.