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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1027894

Math

Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.

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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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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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Building

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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Building

Number of wallpapers

Jak oszacować niezbędną ilość tapety?
Ile kupić tapety?
Jak obliczyć ilość tapety potrzebną do wytapetowania pokoju?

Calculator to estimate the necessary amount of wallpaper needed to wytapetowania room of the given dimensions.

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Physical

Core area

The calculator calculates the optimal surface for the heat sink temperature indicator.

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Employee

How do I calculate vacation? Calculator dimension leave in Poland

jak wyliczyć urlop wypoczynkowy? jak obliczyć urlop? jak się liczy urlop wypoczynkowy?

Calculator by entering the type of secondary education and the start and end dates of employment shall calculate the chargeable period of annual leave.

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Math

Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.