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Action at a fraction of the usual

The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.

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Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.              
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Conversion between number bases

Converter allows you to convert numbers between number bases - binary (binary), trójkowym, czwórkowym, Friday, szóstkowym, siódemkowym, octal (octal), dziewiątkowym, decimal (decymalnym) jedenastkowym, dwunastkowym, trzynastkowym, czternastkowym, piętnastkowym, hexadecimal (hex). Typed characters that are not numbers and the letters A, B, C, D, E, F are ignored.      
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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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Insulation of wall

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Combination of characters and numbers

Calculator allows to determine the existing combinations for the user-specified string.  
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Return on investment over the

Calculator allows you to calculate the return on equity of investment in any financial instrument in relation to the value obtained at the beginning and end of the period.                    
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Serum osmolality

The calculator calculates the patient's serum osmolality and provides information on whether the value is within the normal range.