Based on the user testing and usability studies of this prototype
system, it can be concluded that an application for good, easy to use,
pen-based formula entry can be built. The system worked very well and
was easy to learn and use. The system had several flaws, but all
these can be remedied. Creating a handwriting-based formula editor is
possible and also, more importantly, desirable in comparison to
existing systems such as template or command string based equation
entry systems.