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Manipulating trigonometric expressions encodedthrough electro-tactile signals

Published: 20 October 2008 Publication History

Abstract

Visually challenged pupils and students need special developmental tools. To facilitate their skills acquisition in math, different game-like techniques have been implemented. Along with Braille, the electro-tactile patterns (eTPs) can be used to deliver mathematical content to the visually challenged user. The goal of this work was to continue an exploration on non-visual manipulating mathematics. The eTPs denoting four trigonometric functions and their seven arguments (angles) were shaped with designed electro-tactile unit. Matching software application was used to facilitate the learning process of the eTPs. The permutation puzzle game was employed to improve the perceptual skills of the players in manipulating the trigonometric functions and their arguments encoded. The performance of 8 subjects was investigated and discussed. The experimental findings confirmed the possibility of the use of the eTPs for communicating different kinds of math content.

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cover image ACM Conferences
ICMI '08: Proceedings of the 10th international conference on Multimodal interfaces
October 2008
322 pages
ISBN:9781605581989
DOI:10.1145/1452392
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

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Publication History

Published: 20 October 2008

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Author Tags

  1. electro-tactile signals
  2. trigonometry accessibility
  3. visually challenged people

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ICMI '08
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ICMI '08: INTERNATIONAL CONFERENCE ON MULTIMODAL INTERFACES
October 20 - 22, 2008
Crete, Chania, Greece

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