Boyan Lalov
The New Pythagorean Brotherhood

Elena Varbanova
Computer Algebra – a Good Reason to Enhance Interest and Enthusiasm in Mathematics Classes

Fernando Castro-Gutierrez
Writing Teaching Materials for Projects in Mathematics Education from the Design of Everyday Things

Galina Momcheva-Gardeva & Stoyan Kapralov
Development of Combinatorial Skills for University Students in Computer Science

Ivan Shotlekov
Framework for Project-Based Training Provided to First-Year Students of Mathematics

Krassimir Tarkalanov
Combining Non-Formal and Formal Discussion Has a Psychological Effect on Student Participation in Solving Problems

Lilyana Karakasheva-Yoncheva
An Attempt at Optimizing the Organisation and Methodology in the Seminars on Mathematical Analysis

Michael Voskoglou.
Teaching Mathematics in Higher Technological Education: The Situation in Greece

Georgi Dimitrov & Plamena Peneva
Roleplaying Games in the Hospitirane Classes, Natalia Toncheva

Valentina Dyankova & Stoyan Kapralov
Exercises as a Tool for Understanding the Terminology in the Learning Process of Data Structures