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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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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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Legal calculator
Calculates the effective date of the act, published in the official journal.
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Distribution of the factors
Calculator performs decomposition of the given number of factors that are prime numbers (factorization).
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Savings
LPG Calculator - Cost-effectiveness of the gas system in the car
The calculator calculates the savings resulting from the installation of the system in the car LPG gas system.
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Financial
Coverage ratio of equity to assets
Calculator by entering the equity and total capital ratio is calculated profitability.
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Verifiers
Verification of the REGON number in Poland
Verifier allows you to validate entered REGON number