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Keystone field

The calculator calculates the trapezoid box.          


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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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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.          
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Charles Law

Calculator based on the programmed temperature and volume of the selected parameter is calculated using the right Charles.              
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Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description      
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Limit calculator, which entitles them to exemption from VAT in Poland

Calculator allows you to see what gives you the right amount of turnover for exemption from VAT if you started a business during the year.
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Insulation of wall

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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.