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Yeah, it's the chalk dust. It's that simple. Also different colors on whiteboards is occasionally helpful for clarity, e.g. color-coding an equation to a line
by crazygringo 1y ago
Yeah, it's the chalk dust. It's that simple.
Also different colors on whiteboards is occasionally helpful for clarity, e.g. color-coding an equation to a line in a graph. But that's pretty minor.
- lovich 1y agowe had colored chalk for that purpose in my school for math at least
- deleted 1y ago[deleted]
- hollandheese 1y agoThere is much less selection in colors for chalk. And many of them show very poorly on chalkboards. Hagoromo's green for example, is almost impossible to make out on our chalkboards.