MathType - The bra-ket notation devised by Paul Dirac is used in #QuantumPhysics as a way to make linear algebra operations more expressive. Of course, it is nothing but a rewriting of
math mode - Braket notation in LaTeX - TeX - LaTeX Stack Exchange
math mode - Why different bra ket notations? - TeX - LaTeX Stack Exchange
Bra-ket notation
math mode - Braket notation in LaTeX - TeX - LaTeX Stack Exchange
How to denote ket notation in LaTeX?
How to denote Bra-ket notation in LaTeX? Dirac notation
brackets - Lyx: Quick way to insert Dirac bra-ket - TeX - LaTeX Stack Exchange
How to denote Bra-ket notation in LaTeX? Dirac notation
How to denote ket notation in LaTeX?
How to denote Bra-ket notation in LaTeX? Dirac notation
Dirac notation (bra/ket) LaTeX commands for use in Jupyter notebooks · GitHub
How to denote Bra-ket notation in LaTeX? Dirac notation
How to denote Bra-ket notation in LaTeX? Dirac notation
math mode - Why different bra ket notations? - TeX - LaTeX Stack Exchange
How to denote ket notation in LaTeX?
r markdown - bra-ket usage in RMarkdown with Latex - Stack Overflow