I love blackboards, I was a research mathematician for many years and they have a special place in my heart along with a stick of Hagoromo chalk. But they don’t fit my purposes here for much the same reasons as dry erase boards—they erase accidentally and don’t allow for small writing.
Try a blackboard if you’re OK with the large size and chalk. It is also quite aesthetic. You can be like Walter Lewin! So fun.
I love blackboards, I was a research mathematician for many years and they have a special place in my heart along with a stick of Hagoromo chalk. But they don’t fit my purposes here for much the same reasons as dry erase boards—they erase accidentally and don’t allow for small writing.