CASVI: Computer Algebra System Aimed at Visually Impaired People. Experiments
The limitations in access to mathematical resources faced by visually impaired people (VIPs) are undoubtedly one of the most significant obstacles for them to obtain, e.g., a degree in science. In this context, computational tools such as Computer Algebra Systems (CAS) are not blind-friendly, which...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
IEEE
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/95bbdc4ce21942798d165949d6f90325 |
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| Sumario: | The limitations in access to mathematical resources faced by visually impaired people (VIPs) are undoubtedly one of the most significant obstacles for them to obtain, e.g., a degree in science. In this context, computational tools such as Computer Algebra Systems (CAS) are not blind-friendly, which causes solving elementary mathematical problems to become a challenging task for this group of people. This paper presents the <italic>Casvi</italic> system, a CAS for people with visual disabilities that allows carried out basics and advanced numerical calculations using the <italic>Maxima</italic> mathematical engine. Twenty-five VIPs tested the <italic>Casvi</italic> system to assess its functionality and usability. As a result, VIPs achieved a 92% accuracy when executing mathematical operations through <italic>Casvi</italic>. Finally, our system outperforms the LAMBDA system regarding the time needed by VIPs to perform mathematical operations correctly. |
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