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Field and volume of a sphere

Calculator by entering the radius of the sphere is calculated its surface and volume.      


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Weighted average ratings

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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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ROCE - an indicator of the efficiency of investment

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Caesar cipher

Calculator specified key encrypts the text using the Caesar cipher. Are accepted only letters, other characters are ignored.        
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Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.                          
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Associated ceiling material thickribs

Calculator allows you to calculate the approximate consumption of materials per 1 m2 rib ceiling with ceramic and concrete.
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Calculator burning fuel, LPG​​, gasoline for your car

Calculator based on the length of stay and average fuel cost of fuel (gasoline or gas) will calculate how much you pay for fuel.