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Math
Circumference of an ellipse
The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.
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 VAT refund for building materials
The calculator calculates the amount of VAT that can be refunded in respect of incurred expenses associated with the purchase of construction materials.
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Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Employee
Calculator social security contributions - the calculation of rates in Poland
Jak obliczyć wysokość składek ZUS?
Jak obliczyć składkę na ubezpieczenie społeczne?
Jak obliczyć ubezpieczenie zdrowotne?
Calculator to calculate gross salary given social security contributions deducted from the salary of the employee and the employer. [since 2008]
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The line passing through the given points
Calculator gives the equation line passing through the points specified by the user in the Cartesian coordinate system.
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The current ratio (current ratio)
Calculator based on the entered value of current assets and current liabilities, current ratio is calculated. WBP shows the coverage of short-term working capital commitments the company.