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Whether a number is prime

Checks the user number is a prime number.


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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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Coreless coil inductance

The calculator calculates the inductance of the coil without core on the basis of the given coil length, diameter and number of turns.                  
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Associated amount of mortar

Jak obliczyć ilość potrzebnych surowców do zaprawy?
Calculator on the basis of the specified class of mortar and grout qs calculates the amount of raw materials.
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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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Calculate how much you drink pure ethanol

On the basis of the data entered, the amount of drink and the percentage of alcohol content calculator calculates pure ethyl alcohol that we consume.
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Calculator / BMI - Calculate Body Mass Index indicator

jak obliczyć BMI?
The online BMI calculator calculates the body mass index - BMI - based on height and weight entered.