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Quadratic function

Calculator Resets three forms of a quadratic function. After selecting the input as a function of the square and its corresponding parameters returns two other figures given quadratic function.

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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 parallelogram

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Friis transmission equation

The calculator calculates the power at which the antenna receives the signal output from the second antenna of the power and distance greater than a single wavelength. The higher the frequency, the higher the transmission power loss from the signal transmission.        
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Consumption Calculator paint Flügger

Calculator based on the data entered the room indicates the approximate amount of paint needed to make Flügger his painting.              
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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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The range of the volume distribution of erythrocytes

Calculator by entering the standard deviation of the red blood cells and mean corpuscular volume calculated volume distribution span of erythrocytes. http://pl.wikipedia.org/wiki/Rozpi%C4%99to%C5%9B%C4%87_rozk%C5%82adu_obj%C4%99to%C5%9Bci_erytrocyt%C3%B3w