| a | b | c | d | f |
|---|
| 00 | 01 | 11 | 10 |
|---|
1. Define function: Click cells in truth table or K‑map to set f = 0/1/X.
2. Build circuit: “Build from SOP” creates a two‑level circuit from the simplified SOP.
3. Simulate & edit: Add gates (IEC symbols), wire (output → input), toggle simulation.
4. Save / Load / Undo: Use toolbar buttons.
Canvas: Drag gates, right‑click to delete.