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when toggle format what by license comment
Mar 5, 2018 at 1:09 comment added kallikak I use colour for clarity in the app and on a whiteboard, but do not require it for pen and paper since location and size does much the same job. Often a student is happy to switch pen colours to make it look nicer though.
Mar 4, 2018 at 20:42 comment added Jasper How well does this notation work for paper-and-pencil calculations, which only have a single color?
Mar 3, 2018 at 22:20 review First posts
Mar 4, 2018 at 2:46
Mar 3, 2018 at 22:17 history answered kallikak CC BY-SA 3.0