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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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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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Building

Insulation of wall

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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.
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Single-layer wall insulation

Calculator allows you to calculate izolacyjość single-layer wall.          
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Life

Calculator spending on cigarettes

Calculator based on the price quoted for the package and the amount consumed per month package, gives the annual cost of smoking cigarettes.
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Financial

The current ratio (current ratio)

Calculator based on the entered value of current assets and current liabilities, current ratio is calculated. WBP shows the coverage of short-term working capital commitments the company.          
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Financial

Calculator selection taxation (global or general rules)

Calculator makes it easier to decide on one of the forms of taxation (lump sum - General)