1278741
Math

Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.              

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Math

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.      
133457
Math

Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
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Math

Percentage calculator

This calculator allows you to calculate the percentage of the given numerical values.
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Life

Alcohol Calculator - witrualny breathalyzer online converter

ile alkoholu we krwi? obliczanie zawartości alkoholu we krwi
Calculator allows you to calculate the approximate concentration of liquor in the blood by Erik Widmark formula.                    
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Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?
Calculator allows you to verify the ISBN number entered.
61541
Savings

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.
17096
Medical

Acute respiratory acidosis - the level of carbonic acid

The calculator calculates the change in the amount of carbonic acid in the body caused by impaired ability to excrete carbon dioxide through the respiratory system - an illness called acute respiratory acidosis.        
340372
Financial

ROCE - an indicator of the efficiency of investment

The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.