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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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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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Calculates the effective date of the act, published in the official journal.
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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.
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Associated ceiling material thickribs
Calculator allows you to calculate the approximate consumption of materials per 1 m2 rib ceiling with ceramic and concrete.
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LBM - body mass without fat
Calculator to the data: weight, height and gender calculates the total body mass without fat (organ weights, blood, bone, muscle, skin).