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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Calculate how much you drink pure ethanol

On the basis of the data entered, the amount of drink and the percentage of alcohol content calculator calculates pure ethyl alcohol that we consume.

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Unit Converter glucose (blood sugar)

converter converts the blood sugar level in milligrams per deciliter (mg / dL) in millimoles per liter (mmol / L) and vice versa. http://pl.wikipedia.org/wiki/Glikemia

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Information technology

Calculator download speeds

Calculator allows you to calculate the approximate download time on a given value for a circuit given parameters.

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Calculate the cost of electricity consumption device

The calculator is designed to calculate the cost of using the selected appliance. Only devices running without interruption.