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Math
Number of square-triangle (square triangular number)
Number of square-triangle has the properties of a square and a triangular 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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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]
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Medical
Transferrin saturation
Calculator to the data gives the percentage transferrin saturation. http://en.wikipedia.org/wiki/Transferrin_saturation
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Building
Calculator for tile adhesive
Calculator based on the given surface tiles, tile side length and the number of doors and windows calculates the required amount of adhesive.
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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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Chemical
Radioactive decay
The calculator calculates how much radioactive material remains after a certain period of time.