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Number of triangular

In math calculator calculate triangular number is a number that can be represented as the sum of consecutive integers starting.    


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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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Calculator Body Surface BSA (Body Surface Area)

Jak obliczyć swoje BSA? Jak sprawdzić BSA?
The calculator calculates the BSA (Body Surface Area) by the formula Mosteller and Dubois.              
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Calculator average revenue per employee in the company

Calculator on the basis of the specified amount paid salaries and number of employees, calculates the average annual and          
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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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Associated Hyponatremii sodium deficit.

The calculator hyponatremia patient with hyponatremia.        
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Freezing sea water

Calculator based on the average salinity of the basin are calculated freezing point of the water content by the formula Krummel.