Drag either ring to rotate it — or use the buttons. Keyboard: r = R, Shift+r = R⁻¹, l = L, Shift+l = L⁻¹, z = undo
History
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σ
ε (identity)
Macros from the notes
Sequences
Record a sequence, then play it — or its inverse — to build conjugates g·h·g⁻¹ and commutators g·h·g⁻¹·h⁻¹. Playing a sequence while recording appends its moves.