Feynman Slash Notation
A commonly used notation in Quantum Field Theory is the so-called Feynman slash notation, which is simply a forward slash going through a letter ( https://en.wikipedia.org/wiki/Feynman_slash_notation ). Throughout my studies this is probably the only symbol I was unable to find in MS Office.
It would be quite convenient to add it within the Equation editor, as an "Accent" for example, allowing the user to apply it to any letter or symbol.
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