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Field and circumference of a circle

Jak obliczyć pole i obwód koła?
The calculator based on the specified radius of the area and perimeter of a circle.          


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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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Insulation of wall

Jak policzyć izolację ścian?
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.
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Calculator for tile adhesive

Calculator based on the given surface tiles, tile side length and the number of doors and windows calculates the required amount of adhesive.                  
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Calculation fields of plane figures

Jak obliczyć pole figury płaskiej?
Jak obliczyć pole kwadratu?
Jak obliczyć pole prostokąta?
Jak obliczyć pole trójkąta?
Jak obliczyć pole trapezu?
Jak obliczyć pole koła?
Calculator helps you calculate the area of ​​the selected shape.                              
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Calculator horsepower - power converter of kilowatts (kW)

Jak obliczyć konie mechaniczne?
Calculator calculates the stated amount of kilowatts to horsepower, taking into account effectiveness.          
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Calculate the cost of electricity consumption device

The calculator is designed to calculate the cost of using the selected appliance. Only devices running without interruption.