Critical Path Method — CPM & PERT (2D)

Mode

Preset project Selected task duration: — Show slack labels

Live HUD

Project total duration0

Critical-path tasks0

Total slack (non-critical)0

Tasks / Edges0 / 0

Drag a node, or click one and use the slider to change its duration — the forward pass (ES/EF), backward pass (LS/LF) and slack recompute live. Zero-slack tasks form the critical path. In PERT mode each task uses (o, m, p): t_e=(o+4m+p)/6, σ²=((p−o)/6)².