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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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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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Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
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Statistical calculator
Calculator allows to determine the basic statistical parameters such as standard deviation, arithmetic mean, variance, and median for the values.
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Pseudo-random number generator without repetition
Calculator generates random numbers without repetition from 0 to n-1.
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Calculate how many words and characters in the text
The calculator is designed to count the amount of words and letters in the text
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Coverage ratio of equity to assets
Calculator by entering the equity and total capital ratio is calculated profitability.