Computational support for sketching is an exciting research area at the intersection of
design research, human–computer interaction, and artificial intelligence. Despite the …

Contemporary voice assistants require that objects of inter-est be specified in spoken
commands. Of course, users are often looking directly at the object or place of interest? fine …

People with limited mobility often use multiple devices when interacting with computing
systems, but little is known about the impact these multi-modal configurations have on daily …

Handwritten mathematical expressions are an essential part of many domains, including
education, engineering, and science. The pervasive availability of computationally powerful …

As technical as we have become, modern computing has not permeated many important
areas of our lives, including mathematics education which still involves pencil and paper. In …

Our 1997 article in IJAIED reported on a study that showed that a new algebra curriculum
with an embedded intelligent tutoring system (the Algebra Cognitive Tutor) dramatically …

A system for recognizing online handwritten mathematical expressions (MEs), by applying
improved structural analysis, is proposed and experimentally evaluated on two databases …

This paper presents the interaction design of, and demonstration of technical feasibility for,
intelligent tutoring systems that can accept handwriting input from students. Handwriting and …

Assessment and feedback are important parts of the teaching and learning of mathematics;
and in general, the process can benefit by the introduction of technology. MathDIP is a web …

We present Newton's Pen, a statics tutor implemented on a" pentop computer", a writing
instrument with an integrated digitizer and embedded processor. The tutor, intended for …