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Physical

The electromagnetic force coil (Electromagnetic Force)

Calculator to input current, cross-sectional area, length and number of turns of the coil face it generated electromagnetic force.                        


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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

Calculator resistance resistor ( bars)

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

The risk of incident atrial fibrillation over the next five years

Calculator to the data calculated risk of incident atrial fibrillation over the next five years.          
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Generators

Pseudo-random number generator without repetition

Calculator generates random numbers without repetition from 0 to n-1.        
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Math

Number cheerful

Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.    
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Verifiers

Verifier ISMN numbers

Calculator allows you to verify the number entered ISMN (International Standard Serial Number Printing music).      
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Verifiers

Verification of the REGON number in Poland

Verifier allows you to validate entered REGON number