Analyze text complexity using multiple readability formulas
| Grade Level | Age Range | Audience | Examples |
|---|---|---|---|
| 1-5 | 6-10 years | Children | Simple stories, basic instructions |
| 6-8 | 11-13 years | General Public | Newspapers, popular fiction |
| 9-12 | 14-18 years | High School | Quality journalism, business docs |
| 13-16 | 18-22 years | College | Academic papers, technical manuals |
| 17+ | 22+ years | Graduate | Scientific journals, legal documents |