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.

133402

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

Cash liquidity ratio

Calculator based on the introduced: the financial resources and current liabilities are calculated ratio of cash. CES - tells you how much current liabilities can be settled without delay, if they become due and payable at that time.

35215

Savings

LPG Calculator - Cost-effectiveness of the gas system in the car

The calculator calculates the savings resulting from the installation of the system in the car LPG gas system.

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Math

Action at a fraction of the usual

The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.

1072507

Building

Insulation of wall

Jak policzyć izolację ścian?

Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.

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Building

Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.