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

Calculator selection taxation (global or general rules)

Calculator makes it easier to decide on one of the forms of taxation (lump sum - General)

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Verifiers

Verifier NRB / BBAN

Calculator allows you to verify the correctness of the entered account number.

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Verifiers

Verifier numbers EAN-13 preview

Verifier numbers EAN-13 Calculator allows you to verify the number entered EAN-13.

41386

Life

Feels like

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

26199

Medical

The maximum blood loss

Calculator on the basis of these data calculates how much blood you can lose up to keeping you alive.