My task is to reflect on the papers in the two Special Issues on "Representations and the Psychology of Mathematics Education," Journal of Mathematical Behavior Vol. 17, Numbers 1 and 2, especially to find common themes and opportunities for further progress. The papers were produced independently, but were based on and influenced by the discussions in the PME Working Group on Representations f...

This chapter is written entirely base on the conducted literature survey. This includes the approaches that have been conducted by other researchers. The literature survey for this project was conducted through two directions. A thorough study was done to capture the domain knowledge about the ancient Sri Lankan inscriptions. And on the other hand the technologies that were used for optical cha...