José Aurelio Pina Romero’s educational website is a Spanish-language resource hub focused on mathematics teaching and learning. It serves pupils and teachers across primary school, secondary education and Bachillerato, with materials organized by year, subject and learning need. Resources include classroom activities, reading materials, diagnostic tests, curriculum adaptations, revision content and worked examples. Students preparing for university entrance exams can find notes and solutions to PAU/EBAU mathematics papers, while additional sections cover access exams, university-level biostatistics for nursing and nutrition, and teaching-opposition preparation.

The site also shares practical tools and ideas for making mathematics engaging, including problem-solving challenges, divisibility games, activities with matrices, origami, mathematical crafts and calculator workshops. Its wider collection covers statistics, demography, epidemiology, educational books, software, GeoGebra, technology and 3D printing. Visitors can explore mathematics competitions, classroom projects, educational links and games such as Awale, backgammon, checkers, Rummy and KenKen. Regular blog posts present new resources and activities, making the site a broad, freely accessible collection for mathematics education and related subjects.