Dr. Bayrak is a graduate of the Department of Chemistry Education, Kazim Karabekir Faculty of Education, Atatürk University. He studied “Changing of surface pecularity and adsorption capacity of a lignite by pyrolysis” in his master study. Then, he directed his attention to another education title in his doctoral study: “Teaching solids by problem based learning.” Currently, he works as Assistant Professor at the Department of Elementary Science Education, Faculty of Education, Bayburt University.

Yasemin DEVECİOĞLU-KAYMAKCI has graduated from Department of Physics Education, Fatih Faculty of Education, Karadeniz Technical University in 1999. She studied as a teacher for two years in high schools. She started to study for The Graduate School of Natural and Applied Sciences, Karadeniz Technical University in the Department of Secondary Science and Mathematics Education between 2001 and 2010 years. She works at Bayburt University since 2010.

The study area of Devecioğlu consists of physics education, preservice teacher education, teaching practice, science education and material development in science/physics education. She has a number of national and international conference publications and journal papers. She is also the editor of The Journal of Bayburt Education Faculty.

Zekeriya KARADAĞ taught Mathematics, Physics, and Chemistry in Istanbul between 1985 and 2005 and developed educational software in his own company and imported and distributed some other educational software packages between 1998 and 2001. He studied his master study at the department of Computer and Instructional Technologies Education at Sakarya University between 2002 and 2004 and doctoral study at the Curriculum, Teaching, and Learning Department of Ontario Institute of Studies in Education, University of Toronto. He works

Dr. Karadağ, who has been the members of a number of international mathematics education institutes, acts as the visa chair of GeoGebra Institute of Canada and Institute trainer of GeoGebra since 2009. He served as the co-chairs of I. and II. North American GeoGebra Conferences in Ithaca, New York in 2010 and in Toronto, Ontario in 2011. The area of interest of Dr. Karadağ consists of Dynamic and Interactive Mathematics Learning Environments (DIMLE), monitoring and analyzing mathematical thinking in technology supported environments, process oriented assessment in technology supported environments and qualitative analysis methods, particularly frame analysis methods which was developed by himself during his doctoral study. He has a number of international conference publications, a couple of journal articles and one book chapter. He is also one of the editors of two forthcoming books, Cyberlearning and Visual Mathematics and Technology in Mathematics Education: Contemporary Issues.