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.
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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.
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description
Calculator VAT refund for building materials
The calculator calculates the amount of VAT that can be refunded in respect of incurred expenses associated with the purchase of construction materials.
Cost of online advertising
Calculator based on the entered values to calculate the total cost, the cost for 1,000 impressions or views of online advertising.
Calculator global automotive in Poland
The calculator calculates the amount of the lump sum if you use a car for business use of vehicles that are not owned by the employer.