The course provides an in-depth examination of the affordances and limitations of educational technology in enhancing the teaching and learning of secondary school mathematics. It focuses on the use of handheld and computer technology, and introduces web-based mathematical software, dynamic software, graphical tools and other software that can be successfully incorporated in the middle and high school mathematics classroom. The course offers opportunities to engage in, design, and critique technology-enhanced mathematical activities that aim at developing understanding of school mathematics.