Further Mathematics/Complex instrument 01

01/ 06

Argand operation bench

Register one complex arrow

One operation enters at a time.

Addition slides a copy of z parallel to itself; multiplication pivots and scales from the origin.

Teacher layers Translation frame Conjugate Product and arc Modulus circles

Teacher cue

Ask what stays fixed before revealing the next operation. Return to Cartesian multiplication only after the geometry is named.

Keyboard: arrows change step, space plays or pauses motion, R resets.