+An **Argand diagram** is a geometric representation of [Complex Number](/wiki/Complex_Number). It plots these numbers as points in the [Complex Plane](/wiki/Complex_Plane), featuring a horizontal real axis and a vertical imaginary axis. This visual tool simplifies understanding complex arithmetic and relationships.
+## See also
+- [Complex Number](/wiki/Complex_Number)
+- [Complex Plane](/wiki/Complex_Plane)
+- [Cartesian Coordinate](/wiki/Cartesian_Coordinate)
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