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Field parabola

The calculator calculates the surface area of ​​the parabola with the given base width and length of the perpendicular [see calculator squareness]. The result is given as the user input unit square.    


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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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Alcohol Calculator - witrualny breathalyzer online converter

ile alkoholu we krwi? obliczanie zawartości alkoholu we krwi
Calculator allows you to calculate the approximate concentration of liquor in the blood by Erik Widmark formula.                    
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Insulation of wall

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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.
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Medical

The percentage reduction in blood urea after dialysis

Calculator to the data is given as change the level of urea in the blood after hemodialysis.        
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Roots of a quadratic equation

Calculator based on the entered coefficients calculated roots of a quadratic equation.              
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Arabic numbers Converter - Roman

Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.