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

Human demand for water

The calculator calculates the interest of your body's daily requirement of water.

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Math

Combination of characters and numbers

Calculator allows to determine the existing combinations for the user-specified string.

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Battery life

Calculator based on the specified battery capacity and consumption estimates the time. Calculator does not take into account changes in CPU speed and action in the case of ACPI computers.

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Life

The distance calculator between cities Polish

Calculator helps you calculate the distance in a straight line between two selected major Polish cities.

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Physical

Parallel connection of resistors

The calculator calculates the equivalent resistance of two resistors connected in parallel.