Drag two arrows; the sum is drawn tip-to-tail with the parallelogram completed and the three values read out.
The claim above is what this widget demonstrates. Disagree with it?
Adding complex numbers adds their coordinates: z₁ + z₂ is the far corner of the parallelogram spanned by z₁ and z₂, the tip of z₂ placed at the tip of z₁.
Builds on A complex number is a point. Taught in Complex numbers.
Drag two arrows; the sum is drawn tip-to-tail with the parallelogram completed and the three values read out.
The claim above is what this widget demonstrates. Disagree with it?