Invited Papers

1. Jen-chung CHUAN
   Rhombohedra Everywhere
2. Rubí IPIÑA and José A VALLEJO
   Mathematics, secrets and smartphones
3. Celia HOYLES and Richard NOSS
   Exploiting Digital for Learning Mathematics
4. Weng Kin HO
   Outbox Centroid Theorem: An Episode of Dynamic Geometry Exploration
5. Jean-Jacques DAHAN
   From One to Infinity: What DGS Has or Could Have Changed in our Teaching and Learning
6. Bill BLYTH
   Quadratic and Cubic Polynomials in Applied Problems: Finding Maximum - no Calculus, using CAS (Maple)
7. Yuriko Yamamoto BALDIN
   Challenges in Integrating Technology in Teaching and Learning Mathematics in Basic Education
8. Matthias KAWSKI
   Technology IBL, inverse questions, and control
9. Greg OATES Technology in Mathematics Education: A Stocktake & Crystal-Ball Gazing
10. Wei-Chi YANG
    Locus, Parametric Equations and Innovative Use of Technological Tools