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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Battery charging time calculator

Calculator to the data calculates the estimated time of charging.

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Maximum Heart Rate

The calculator allows you to calculate the index of maximum heart rate (MHR) for your body

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Generator ideal body weight according to the formula Lorenz

Calculator based on specified growth and gender calculates your ideal weight formula Lorenz.

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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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Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description