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Examine the variability of the quadratic function

Calculator examines the variability of the course of a quadratic function in the field of real numbers.


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Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.              
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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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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.              
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Associated ceiling material thickribs

Calculator allows you to calculate the approximate consumption of materials per 1 m2 rib ceiling with ceramic and concrete.
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Risk of Clostridium difficile infection bacilli

Calculator to the data given that the risk of C. difficile infection canes for your body. http://pl.wikipedia.org/wiki/Clostridium_difficile              
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Ohm's Law

The calculator calculates the resistance in the circuit in ohms. To obtain the missing value, type two, you already know and can be used to perform the calculations.              
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Date calculator

Calculator allows you to calculate the date, which will be after a specified number of days, months and years from a certain date.
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GFR - glomerular filtration rate

Glomerular filtration rate (called glomerular filtration rate, GFR) - the amount of plasma filtered per unit time by the so-called glomeruli. primary urine. Is usually given in ml / min. GFR allows the assessment of renal function.