first part is the tool name https://macmath.inf.um.es/editor
follow by id=
follow by url=
New Feature Request
The advantage of such a system is that students will need to only use TrackerJS the way the teacher designed for in opening up just that trz file.
Current Situation
The current way is to explain to students how to open up the Singapore library followed by browsing for which file to click, which can add to the volume of instructions students need to do in a asynchronous lesson.