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My math professors all preferred blackboards because chalk is an order of magnitude cheaper than markers. Of course, all of our classrooms had whiteboards. :)
by the_real_nfm 11y ago
My math professors all preferred blackboards because chalk is an order of magnitude cheaper than markers. Of course, all of our classrooms had whiteboards. :)
- tjr 11y agoI have fond memories of my favorite math professor, always looking somewhat disheveled, and often with streaks of chalk on his clothes or in his hair. Whiteboards just aren't the same.