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[–] 3 points 4 months ago (2 children)

This is not true. It typically falls out of use in high school and rarely shows up after, but it's not like it's banned or anything like that.

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  • [–] 1 point 4 months ago (1 child)

    It’s not in the modern standard for notation. I never once saw it used in university. I even had prof who typed their homework on a typewriter and he didn’t use it (he actually typeset everything pretty nicely).

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