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Checks the user number is a prime number.


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Conversion between number bases

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Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
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CAPM calculator in the form of CML calculates the expected return of the so-called. efficient portfolio (located on the Markowitz efficient frontier portfolios).              
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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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Ratio

Calculator on the basis of these funds, receivables and current liabilities Current Ratio is calculated. WSP shows the coverage of liquid assets to current liabilities.