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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Life

Feels like

Calculator on the basis of the given air temperature and wind speed are calculated wind-chill effect.

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Building

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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Information technology

Caesar cipher

Calculator specified key encrypts the text using the Caesar cipher. Are accepted only letters, other characters are ignored.

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Financial

Coverage ratio of equity to assets

Calculator by entering the equity and total capital ratio is calculated profitability.

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Verifiers

Verification of the REGON number in Poland

Verifier allows you to validate entered REGON number