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Math
Examine the variability of the quadratic function
Calculator examines the variability of the course of a quadratic function in the field of real numbers.
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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.
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Math
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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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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Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Building
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.
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Calendar
Perpetual calendar
jak obliczyć dzień tygodnia na podstawie daty?
Calculator gives what day of the week for the date specified by the user.
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Life
Calculator - dosage of CO2 in the aquarium
Ile co2 w akwarium?
Dawkowanie co2 w akwarium.
The online calculator by entering the pH and kH values to calculate the concentration of CO2 in the aquarium.