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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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Calculator drink alcohol content
The calculator calculates the approximate alcoholic drink prepared on the basis of designs by Dave Miller, George Fixa or Jean De Clerck.
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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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Number of square-triangle (square triangular number)
Number of square-triangle has the properties of a square and a triangular number.