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Math
Mean and covariance matrix calculator
Covariance is a measure of the covariance of two variables (X and Y). The calculator calculates the average for the sample and the covariance between variables. Sets of X and Y must be the same number.
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Math
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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Math
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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Math
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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Financial
ROCE - an indicator of the efficiency of investment
The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.
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Chemical
Law Gay-Lussac
Calculator based on the programmed temperature and pressure values are calculated using the selected parameter Gay-Lussac law.
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Medical
Index calculator dialysis Kt / V
Calculator to the data calculates the dialysis KT / V __________ http://www.dialped.pl/archiwum/teksty/monit/monit9.html
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Life
Battery life
Calculator based on the specified battery capacity and consumption estimates the time. Calculator does not take into account changes in CPU speed and action in the case of ACPI computers.
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Medical
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