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Whether a number is prime
Checks the user number is a prime number.
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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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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 line passing through the given points
Calculator gives the equation line passing through the points specified by the user in the Cartesian coordinate system.
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Legal calculator
Calculates the effective date of the act, published in the official journal.
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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.