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by genedan 1732 days ago
It's the same reason other notations get invented, it makes calculating things and communicating concepts regarding insurance products faster and easier.

One pain the ass I have though is needing to install the actuarial symbol LaTeX package for various software I use and write. I got it working with stuff like Sphinx and Anki. Things like communicating over bulletin boards is still very challenging if the site does not support custom notation:

https://ctan.math.illinois.edu/macros/latex/contrib/actuaria...