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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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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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Area of ​​a rectangle

The calculator can calculate the area of a ​​rectangle.
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Core area

The calculator calculates the optimal surface for the heat sink temperature indicator.
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Ohm's Law

The calculator calculates the resistance in the circuit in ohms. To obtain the missing value, type two, you already know and can be used to perform the calculations.