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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Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.

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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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Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.

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Calculator for calculating the volume of a cylinder

Jak obliczyć objętość walca?

The calculator calculates the volume of a cylinder with using of height and area.

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Verifiers

Verifier numbers Postnet

Calculator allows you to verify the number entered Postnet.

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Roots of a quadratic equation

Calculator based on the entered coefficients calculated roots of a quadratic equation.

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Life

Combustion Calculator - L/100km <-> MPG (U.S.)

Calculator allows the conversion of fuel combustion km / h on U.S. MPG (Miles per Gallon) and vice versa.

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Building

Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.