Comment by lovich Comment by lovich 2 days ago 2 replies Copy Link View on Hacker News we had colored chalk for that purpose in my school for math at least
Copy Link hollandheese 2 days ago Next Collapse Comment - There 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. Reply View | 0 replies
There 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.