Definition:Complex Plane/Historical Note

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Historical Note on Complex Plane

It is reported by Ian Stewart and David Tall, in their Complex Analysis (The Hitchhiker's Guide to the Plane) of $1983$, that John Wallis represented a complex number using this technique in his A Treatise on Algebra, but for some reason was ignored.

This has not been corroborated by $\mathsf{Pr} \infty \mathsf{fWiki}$, and there may be some doubt as to its truth, considering the given publication date of A Treatise on Algebra ($1673$) does not match that given by all other sources found ($1685$).

It is widely reported that the concept of the complex plane was an invention of Caspar Wessel, independently of Jean-Robert Argand and Carl Friedrich Gauss.