Calculate, suàn, number of strokes: 10, radical: indication.
1. Source: equivalent to "calculation", used in the past, and gradually became "calculation" in the evolution of Chinese characters. The usage of the two is exactly the same, and modern writing uses more "calculation".
2. Meaning: check and count.
3. Phrases: ~ disk, ~ account, ~ operation, ~ plan, ~ life.
4. Example: He lives seriously, and all his expenses are carefully calculated.
He is still very successful, although he has withdrawn from the competition.