In this 2007 review article, the Center for Implementing Technology in Education (CITEd) discusses
Research has much to tell us about using calculators for instruction. In a review of studies that examined the use of calculators in K-12 classrooms, Ellington (2003) found that calculator use was associated with better operational and problem-solving skills. In addition, students who had access to calculators had better attitudes toward math. But when exactly should calculators be used and for what purpose? This Info Brief summarizes Thompson and Sproule's (2000) "Calculator Decision-Making Flow Chart" and uses the principles of Universal Design for Learning (UDL) to clarify how calculator usage helps students with learning disabilities understand math concepts.
Read the whole article at http://www.ldonline.org/article/Beyond_%22Getting_the_Answer%22:_Calculators_Help_Learning_Disabled_Students_Get_the_Concepts
