Whether a number is prime

Checks the user number is a prime 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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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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Financial

Calculator carat weight

Calculator calculates the weight of the ore from grams to carats, points, kilograms, milligrams and ounces.

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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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Verifiers

Verification of the REGON number in Poland

Verifier allows you to validate entered REGON number

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Employee

How do I calculate vacation? Calculator dimension leave in Poland

jak wyliczyć urlop wypoczynkowy? jak obliczyć urlop? jak się liczy urlop wypoczynkowy?

Calculator by entering the type of secondary education and the start and end dates of employment shall calculate the chargeable period of annual leave.

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Chemical

Calculator enthalpy

Enthalpy calculator is used to calculate the heat transfer during the process kwazistatycznego occurring in a closed thermodynamic system under constant pressure (isobaric process).