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The harmonic mean

Calculator based on the entered numbers separated by commas calculate the harmonic mean.        

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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

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Redemption value calculator

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GFR - glomerular filtration rate

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The center point (mid point)

The calculator calculates the coordinates of the point located exactly halfway between two preset points in the two-dimensional plane.          
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SHA-2 generator

Generates a message using SHA-2 algorithm.