v0.3 — Sketchpad-style layout: instruments in the left toolbox, operations in the top menus. Select objects, then choose a menu action.
v0.3 — instruments create objects; menus act on the current selection (highlighted). Everything stays dynamic: drag a free point and all dependents follow. Coming next: Transform & Bearings (v0.4), then Number/Calculator & Graph/Functions (v0.5).