Diagram describing texts are integral part of science and engineering subjects including geometry, physics, engineering drawing, etc. In order to understand such text, one, at first, tries to draw or perceive the underlying diagram. For perception of the blind students such diagrams need to be drawn in some non-visual accessible form like tactile…

Asserts that legal mandates increase the probability that postsecondary instructors will have blind and visually impaired students in their classrooms. The graphical and symbolic notations used in economics courses present special problems for these students. Recommends and describes the usage of tactile graphs and raised line drawings. (MJP)