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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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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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Calculator based on the ideal gas law gives the value of the variable you want to calculate on the basis of these other variables.                    
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Law Boyle's / Mariotte

Calculator based on the values ​​entered pressure and volume of the selected parameter is calculated using Boyle's Law states / Mariotte.                  
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The frequency of the relaxation based on the Arrhenius equation

Calculator based on the given temperature, the frequency of vibration and thermal activation energy calculated częsość relaxation.                    
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Calculator resistance resistor ( bars)

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

The calculator calculates how much radioactive material remains after a certain period of time.