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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Chemical

Dilution of solutions

Legend of given volume and calculates the concentrations of the solutions before and after dilution of the volume of solution added is calculated.

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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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Health

Calculator Body Surface BSA (Body Surface Area)

Jak obliczyć swoje BSA? Jak sprawdzić BSA?

The calculator calculates the BSA (Body Surface Area) by the formula Mosteller and Dubois.

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Medical

Risk of Clostridium difficile infection bacilli

Calculator to the data given that the risk of C. difficile infection canes for your body. http://pl.wikipedia.org/wiki/Clostridium_difficile

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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.