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.
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
Calculator resistance resistor ( bars)
Calculator gives the resistance of the resistor based on the introduced color bars.
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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Calculator burning fuel, LPG, gasoline for your car
Calculator based on the length of stay and average fuel cost of fuel (gasoline or gas) will calculate how much you pay for fuel.
Insulation of wall
Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
Dilution of solutions
Legend of given volume and calculates the concentrations of the solutions before and after dilution of the volume of solution added is calculated.
Calculator anion gap
Calculator to the data calculates the anion gap. http://pl.wikipedia.org/wiki/Luka_anionowa
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.