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# Complex polynomial value calculation

The calculator evaluates polynomial value. The polynomial coefficients can be either real or complex. This content is licensed under Creative Commons Attribution/Share-Alike License 3.0 (Unported). That means you may freely redistribute or modify this content under the same license conditions and must attribute the original author by placing a hyperlink from your site to this work https://planetcalc.com/7716/. Also, please do not modify any references to the original work (if any) contained in this content.

A polynomial is defined by the coefficients array, which can be real or complex numbers. First coefficient belongs to highest degree term, the last one is constant term. The polynomial degree is automatically calculated by the number of coefficients. If your polynomial has no some term just set zero as its coefficient. Both polynomial coefficient and sample variable value can be either real or complex. (For real number enter zero in imaginary part.) #### Polynomial value

Complex argument
Polynomial

Polynomial value in x

The calculator can be used for equation solution checking. E.g. this one: Quartic equation or this: Cubic equation.

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