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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Calendar

Date calculator

Calculator allows you to calculate the date, which will be after a specified number of days, months and years from a certain date.

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Verifiers

NIP correctness in Poland

Jak sprawdzić poprawność numeru NIP?

Verifier allows you to validate the tax identification number entered

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Financial

Net return on sales (ROS)

Calculator based on the values entered and net profit calculated return on sales ROS. ROS announces net income (after tax), attributable to every penny of products, goods and services.

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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.

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Life

Speed bowling ball

The calculator calculates the average speed of the bowling ball thrown from the offside line for the entry in field settings bowling.