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## Main Question or Discussion Point

**Help! We have forgotten how to write math stuff!!**

Let's assume for a moment that something mysterious has happened. We still know all the science and mathematics, but somehow we have forgotten all the notations and all the conventions. It is our job to invent new notations and conventions and to throw out the old ones.

So, which notations and conventions do you find really annoying, but are rooted so deep into scientific and mathematical practice that it can't be changed? And what would be the alternative?

And also, which notations and conventions do you think are actually very good?