Math

Roots of a quadratic equation

Calculator based on the entered coefficients calculated roots of a quadratic equation.

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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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Building

Waterproofing balconies [IZOHAN]

Calculator allows to determine the price of IZOHAN materials needed to complete the waterproofing of the terrace of the given dimensions.

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Financial

Calculator global automotive in Poland

The calculator calculates the amount of the lump sum if you use a car for business use of vehicles that are not owned by the employer.

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Medical

Oxygenation index calculator

Calculator to the data calculated oxygenation index and provides the basis for health information. Oxygenation index (PaO2/FiO2) - the ratio of partial pressure of oxygen in arterial blood and the content of inspired oxygen (oxygen content represented in decimal form). Used in the assessment of respiratory function of the human body.

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Physical

Core area

The calculator calculates the optimal surface for the heat sink temperature indicator.

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Verifiers

NIP correctness in Poland

Jak sprawdzić poprawność numeru NIP?

Verifier allows you to validate the tax identification number entered