| `*` | [multiply](automaton.multiply.ipynb) | Product (concatenation) |
| `&` | [conjunction](automaton.conjunction.ipynb) | Conjunction (synchronized product) and repeated conjunction |
| `+` | [sum](automaton.sum.ipynb) | Sum (disjunction) |
| `%` | [difference](automaton.difference.ipynb) | Difference |
| `-` | [difference](automaton.difference.ipynb) | Difference |
| `**` | [power](automaton.multiply.ipynb) | Repeated multiplication |