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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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Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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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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Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Feels like
Calculator on the basis of the given air temperature and wind speed are calculated wind-chill effect.
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Insulation of wall
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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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Making the walls to the finshed state
Calculator allows you to calculate the amount of the dry wall assemblies or kilograms of the plaster needed to finish the walls of a room with the indicated dimensions.