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Physical

The physical properties of the coil (coil)

Description                              


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Physical

Calculator resistance resistor ( bars)

Calculator gives the resistance of the resistor based on the introduced color bars.
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Physical

Parallel connection of resistors

The calculator calculates the equivalent resistance of two resistors connected in parallel.            
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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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The distance calculator between cities Polish

Calculator helps you calculate the distance in a straight line between two selected major Polish cities.      
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Field and volume of a sphere

Calculator by entering the radius of the sphere is calculated its surface and volume.      
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The harmonic mean

Calculator based on the entered numbers separated by commas calculate the harmonic mean.        
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Building

Calculator VAT refund for building materials

The calculator calculates the amount of VAT that can be refunded in respect of incurred expenses associated with the purchase of construction materials.                    
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Limit calculator, which entitles them to exemption from VAT in Poland

Calculator allows you to see what gives you the right amount of turnover for exemption from VAT if you started a business during the year.