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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1281388

Math

Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.

280221

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.

135430

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

Settlement km - calculator, model in Poland

jak obliczyć kilometrówkę?

Calculator allows you to calculate the costs that can be refunded for use of a personal vehicle for business purposes.

1708171

Life

Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description

66949

Verifiers

Verification of the social security number in Poland

It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.

250669

Building

Kalkulator powierzchni dachu

Jak obliczyć powierzchnię dachu?

Kalkulator umożliwia obliczenie powierzchni dachowych w wariantach : jednospadowy, dwuspadowy, trzyspadowy, czterospadowy.

25494

Math

The sum of squares of integers from 1 to n

The calculator calculates the sum of squares of consecutive integers from one to the specified value.