Math

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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Math

Bernoulli scheme

Calculator allows you to calculate the probability of a given number of successes with a specified number of trials and probability of success.

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Information technology

Calculator download speeds

Calculator allows you to calculate the approximate download time on a given value for a circuit given parameters.

24312

Chemical

Radioactive decay

The calculator calculates how much radioactive material remains after a certain period of time.

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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.

34229

Employee

Calculator social security contributions - the calculation of rates in Poland

Jak obliczyć wysokość składek ZUS? Jak obliczyć składkę na ubezpieczenie społeczne? Jak obliczyć ubezpieczenie zdrowotne?

Calculator to calculate gross salary given social security contributions deducted from the salary of the employee and the employer. [since 2008]