Summary: ChatDOC adds unlimited formula recognition

Why It Matters: The product is moving beyond simple text reading to handle complex data like math and science formulas. This makes the tool much more useful for students and researchers who work with technical documents.

What Changed:

• Swapped "Image" for "Formula" as a primary feature highlight on the homepage.
• Added "Formula recognition" as an unlimited feature for paid users.
• Introduced "Image Analysis" as a new paid add-on.
• Added "Translate File" as a feature in the pricing table.
• Updated the free plan to include 3 pages of OCR per file.
• Expanded the list of supported file types in the pricing footer to include DOC, SCAN, WEBSITE, and others.