“…The processes of construction and use of mathematical concepts in calculus have been the focus of numerous analyses (Confrey & Costa, 1996;Zandieth, 1997;Dörfler, 2002;Berry & Nyman, 2003;Meel, 2003;Mason & Jonston-Wilder, 2004;Edwards, Dubinsky & McDonald, 2005;Harel & Sowder, 2005;Habre & Abboud, 2006;Hähkiöniemi, 2006). The cognitive construction is a process that uses symbolic, schematic, and linguistic meanings to express changes in perspective and points of view (Dörfler, 2002;Harel, Selden & Selden, 2006).…”