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Math

Mean and covariance matrix calculator

Covariance is a measure of the covariance of two variables (X and Y). The calculator calculates the average for the sample and the covariance between variables. Sets of X and Y must be the same number.      


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Math

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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Financial

Mortgage Calculator . Calculation of loan installments - Simulation

Jak obliczyć ratę kredytu? Jak wyliczyć ratę kredytu hipotecznego? Kredyt hipoteczny symulacja rat Oblicz ratę kredytu gotówkowego
Calculator / simulator calculates the monthly loan installments and the total cost of the selected type of loan .                  
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Life

Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description      
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Employee

Illness Calculator - Calculate sickness (illness)

jak wyliczyć chorobowe? jak obliczyć zasiłek chorobowy?
Calculator calculates sick pay during sick leave, taking into account the various reasons for absence.              
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Building

Kalkulator powierzchni dachu

Jak obliczyć powierzchnię dachu?
Kalkulator umożliwia obliczenie powierzchni dachowych w wariantach : jednospadowy, dwuspadowy, trzyspadowy, czterospadowy.
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Savings

LPG Calculator - Cost-effectiveness of the gas system in the car

The calculator calculates the savings resulting from the installation of the system in the car LPG gas system.