Complex numbers

Number・Advanced

Practice complex arithmetic, non-real roots of quadratic equations, and the complex plane.

Choose what to practice.

• Complex arithmeticComing soonLearn the imaginary unit and complex arithmetic operations.Japanese school year: Math II
• Non-real roots of quadratic equationsComing soonFind complex solutions of quadratic equations.Japanese school year: Math II
• The complex planeComing soonRepresent complex numbers geometrically on the complex plane.Japanese school year: Math C