387<p>Notation is a tool of thought in reasoning and communication [1]. However, to become an effective tool of thought, each notation expression must be properly<br /> perceived. Blind and partially sighted persons run into difficulty in working with spatially represented mathematical expressions.<br /> Our goal is to develop a new multimodal notation for mathematics such that visually<br /> impaired people can: </p> <ul> <li> perceive and reflect on spatially represented mathematic concepts (e.g. graphs, diagrams, etc.); </li> <li> manipulate expressions in such notation; </li> <li> communicate, with sighted people as well as each other, their reasoning about and experience with mathematical notation. </li> </ul> <p>The first step toward such a multimodal notation takes graphs into account. This talk introduces a software prototype which enables blind and partially<br /> sighted to create, manipulate and explore graphs through speech visual and haptic interaction.<br /> Furthermore, early usability results are presented.</p> <p>[1] Iverson, K. E. 2007. Notation as a tool of thought. SIGAPL APL Quote Quad<br /> 35, 1-2 (Mar. 2007), 2-31.</p> LOMv1.0authorBEGIN:VCARD FN:Loredana Parasiliti EMAIL;INTERNET: ORG:Università degli Studi di Milano END:VCARDLOMv1.0authorBEGIN:VCARD FN:Christian Comaschi EMAIL;INTERNET: ORG:Università degli Studid i Milano END:VCARDLOMv1.0authorBEGIN:VCARD FN:Cristian Bernareggi EMAIL;INTERNET: ORG:Università degli Studi di Milano END:VCARDMP3, PPT10354201LOMv1.215 minutesLOMv1.2NoLOMv1.2No