Because the textbook is written in Spanish, check for corrupted characters. Use the tool ( Ctrl + H ) to correct any OCR errors involving vowels with acute accents ( á , é , í , ó , ú ) or the letter ñ . 2. Structural Layout Adjustments
Permite ordenar los eventos cronológicamente con un solo clic. Because the textbook is written in Spanish, check
: A free, open-source tool specifically designed for extracting data tables from PDFs into CSV or Excel files. 3. Summary of Book Content Because the textbook is written in Spanish, check