20590
Physical

The physical properties of the coil (coil)

Description                              


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63964
Physical

Calculator resistance resistor ( bars)

Calculator gives the resistance of the resistor based on the introduced color bars.
61175
Physical

Parallel connection of resistors

The calculator calculates the equivalent resistance of two resistors connected in parallel.            
53496
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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1058135
Building

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.
51765
Life

Calculator - dosage of CO2 in the aquarium

Ile co2 w akwarium? Dawkowanie co2 w akwarium.
The online calculator by entering the pH and kH values ​​to calculate the concentration of CO2 in the aquarium.                
1046095
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.                    
34161
Employee

Calculator social security contributions - the calculation of rates in Poland

Jak obliczyć wysokość składek ZUS? Jak obliczyć składkę na ubezpieczenie społeczne? Jak obliczyć ubezpieczenie zdrowotne?
Calculator to calculate gross salary given social security contributions deducted from the salary of the employee and the employer. [since 2008]            
15737
Financial

Cost of online advertising

Calculator based on the entered values ​​to calculate the total cost, the cost for 1,000 impressions or views of online advertising.