In the Argand plane, the vertical axis represents coefficients of this number.
In the Argand plane, the vertical axis represents coefficients of this number. In La Géométrie, Descartes described it derogatively, and it was first notated in its current form by Euler. First defined by Rafael Bombelli during the Renaissance, this number is critical to the fundamental theorem of algebra. FTP, name this number commonly used in denoting the roots of negative numbers.          |
In the Argand plane, the vertical axis represents coefficients of this number.
{i} or {Imaginary} Number or {Imaginary} Unit