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Students' use of Multiple Representations in the Context of a CAS-Enriched Problem-Solving Environment: Kathy Heid et al, USA.

``Students with at least 18 credits in college mathematics and who were enrolled in a Teaching and Learning Mathematics with Technology course were given access to TI-92s for the entire semester. The presenters will discuss what characterised the ways in which these students used multiple representations while solving non-routine problems.''