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Math
Number of square-triangle (square triangular number)
Number of square-triangle has the properties of a square and a triangular number.
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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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Verifiers
Verifier numbers EAN-8 preview
Verifier numbers EAN-8
Calculator allows you to verify the number entered EAN-8.
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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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Math
Action at a fraction of the usual
The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.
47184
Life
Battery life
Calculator based on the specified battery capacity and consumption estimates the time. Calculator does not take into account changes in CPU speed and action in the case of ACPI computers.
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Health
The generator ideal body weight by the formula ALIC
The calculator allows you to calculate your ideal weight for your body according to the model of the American Life Insurance Company