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Field and circumference of a circle

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The calculator based on the specified radius of the area and perimeter of a circle.          


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Weighted average ratings

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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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Area of a rhombus

The calculator can calculate the area of a ​​rhombus.
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ROCE - an indicator of the efficiency of investment

The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.            
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Dilution of solutions

Legend of given volume and calculates the concentrations of the solutions before and after dilution of the volume of solution added is calculated.              
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Percentage of profits distributed as dividends

Calculator based on input of the annual dividend and annual earnings calculated percentage of the profit distributed as dividends.