The following example shows the symbol for different Unicode math fonts for users of XeLaTeX or LuaLaTeX. To create a 3x3 matrix equation in the LaTeX format type the following into a math zone. There is a Unicode symbol U2107 Euler Constant that at least looks like an uppercase variant of varepsilon.
An operator is a function that is written as a word.
For example sum_x110 x2 produces x 110x2. Refer to the external references at the end of this article for more information. The following example shows the symbol for different Unicode math fonts for users of XeLaTeX or LuaLaTeX. There are no approved revisions of this page.