Math

Number of tetrahedral

Tetrahedral numbers are the natural numbers, for which it is possible to construct a tetrahedron formnego of bullets. They are a special case of the pyramidal numbers.

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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

Alcohol Calculator - witrualny breathalyzer online converter

ile alkoholu we krwi? obliczanie zawartości alkoholu we krwi

Calculator allows you to calculate the approximate concentration of liquor in the blood by Erik Widmark formula.

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Life

Virtual Calculator air temperature

Calculator based on the given air temperature, dew point and barometric pressure are calculated virtual temperature. This is the temperature damages that powinnoby have dry air to its density at the same pressure is equal to the density of moist air.

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Financial

Interest Calculator own (contractual)

The calculator calculates the amount of interest your / contract on the basis of the facts and the required payment date and the amount and percentage rate (annual, monthly, daily).

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Life

Size calculator added sugar to wine [brix scale]

Calculator allows to determine the amount of sugar needed to raise the level of its content in the wine to the expected level.

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Calculator horsepower - power converter of kilowatts (kW)

Jak obliczyć konie mechaniczne?

Calculator calculates the stated amount of kilowatts to horsepower, taking into account effectiveness.