Complex sentence: CircuitLogix is a mixed-mode schematic editor, and includes both analog and event-driven simulation capabilities: any simulation may contain components that are analog, event driven (digital or sampled-data), or a combination of both.
Split into simpler sentences: CircuitLogix is a "mixed-mode" schematic editor and includes both analog and event-driven simulation capabilities. This means that any simulation may contain components that are analog, event driven (digital or sampled-data), or a combination of both.