=

Opens the formula editor for the current cell in the pattern

Shift-Alt =

List all formulas in the current pattern (Escape to exit)

Ctrl-D

Toggles display of relationships (arcs) showing the cells and properties referenced by the formulae of the last edited cell (during editing) or an entire pattern row (during playback).

Ctrl-Shift =

(x2) Clear cell/selection formula.

Tab

Switches between preset formulas and freeform scripting.

Shift-<cursor>

Select a cell to reference visually (Enter to confirm selection / Escape to cancel)

Up / Down

Move between formulas

(Ctrl-)Enter

Apply changes and exit (and execute formula, if not playing). In freeform mode, Ctrl must also be pressed. To avoid formula execution, hold Shift.

Escape

Cancel edits and exit (discards changes)