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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Math

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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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).

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Physical

Resistivity and conductivity

The calculator calculates the resistivity and conductivity of the material from the resistance, cross-sectional area and the length of the element at 20 ° C.

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Math

Number of triangular

In math calculator calculate triangular number is a number that can be represented as the sum of consecutive integers starting.

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Physical

Coreless coil inductance

The calculator calculates the inductance of the coil without core on the basis of the given coil length, diameter and number of turns.