发明名称 TEACHING AID DEVICE AND METHOD OF TEACHING
摘要 A method for instructing mathematics includes providing a work surface to a visually impaired student; providing a plurality of movable elements for use in connection with the work surface, each of the movable elements comprising on a front surface thereof at least a portion of a visible mathematical symbol readable via eyesight, each of the movable elements further comprising Braille indicia on the front surface thereof corresponding to the at least a portion of the visible mathematical symbol, each of the moveable elements being movable to any position on the work surface; and having the student arrange a plurality of the moveable element on the work surface to form a standard mathematical expression wherein the mathematical expression comprises multiple lines set forth in a vertical arrangement.
申请公布号 US2009162819(A1) 申请公布日期 2009.06.25
申请号 US20090394223 申请日期 2009.02.27
申请人 WOLF ROGER P;WOLF PAULA J 发明人 WOLF ROGER P.;WOLF PAULA J.
分类号 G09B23/02;G09B19/02;G09B21/00 主分类号 G09B23/02
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