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- Andy Yeh
- CHI Extended Abstracts
- 2004

Because of the complexity of 3D geometry (e.g., 3D transformations) and the constraints in our real environments (e.g., body movement and manipulation of objects), most young children have difficulty in learning 3D geometry concepts and processes. Therefore, in order to address this issue, a prototype virtual reality learning environment (VRLE) named VRMath… (More)

- Andy Yeh
- 2004

This paper reports on the design of a prototype VRLE (Virtual Reality Learning Environment) named VRMath. VRMath is an online application that utilises VR (Virtual Reality) technology combined with the power of a Logo-like programming language and hypermedia and the Internet to facilitate the learning of 3-Dimensional (3D) geometry concepts and processes.… (More)

- Andy Yeh
- 2004

This paper proposes and examines a semiotic framework to inform the use of technology in mathematics education. Semiotics asserts that all cognition is irreducibly triadic, of the nature of a sign, fallible, and thoroughly immersed in a continuing process of interpretation (Halton, 1992). Mathematical meaning-making or meaningful knowledge construction is a… (More)

- Andy Yeh
- 2004

A consensus has emerged within the mathematics education community about the limitations of traditional approaches for teaching and learning 3D geometry. Therefore, it has been suggested that new approaches based on the use of computers need to be adopted. One such new approach that has been proposed utilises Virtual Reality Learning Environment (VRLE).… (More)

- Andy Yeh
- 2013

With the advancement of new technologies, this author has in 2010 started to engineer an online learning environment for investigating the nature and development of spatial abilities, and the teaching and learning of geometry. This paper documents how this new digital learning environment can afford the opportunity to integrate the learning about 3D shapes… (More)

- Andy Yeh, Rodney Nason
- SIGGRAPH Educators Program
- 2003

There are many powerful ideas in the use of computer graphics to aid learning and teaching in mathematics. One such powerful idea is the trend toward the utilisation of learning environments with real-time 3D visualisation and accessibility to the Internet that enable students to express their own ideas, engage in multiple knowledge representations and… (More)

- Andy Ju-Chih Yeh
- 2009

ion (Developing formal language and symbols)

- Andy Yeh
- Web3D
- 2017

This paper introduces an online 3D modeling environment named VRMath2 and discusses its applications. VRMath2 utilises a Logo programming language with a set of extended 3D primitives, to create 3D contents (in HTML5 format) in most modern web browsers. The 3D contents are rendered by X3DOM and VRMath2 can then export and publish the 3D contents in X3D… (More)

- Rodney Nason, Andy Yeh
- ICCE
- 2007

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