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Math
Quadratic function
Calculator Resets three forms of a quadratic function. After selecting the input as a function of the square and its corresponding parameters returns two other figures given quadratic function.
Long description
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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 seniority in Poland
Calculator to calculate the total length of service after the date of employment or dismissal.
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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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Financial
Coverage of debt
Calculator to the data calculated debt coverage ratio. WPD - is often used as an indicator in assessing credit worthiness.
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Verifiers
NIP correctness in Poland
Jak sprawdzić poprawność numeru NIP?
Verifier allows you to validate the tax identification number entered
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Calculate how many words and characters in the text
The calculator is designed to count the amount of words and letters in the text