Math-Mode – How to Write a Variable with a Subscript in LaTeX

math-modesymbols

How do you write something like the variable underlined in red in LaTex? The example I found looks something like this: $\d{A}\d{0}$, but it doesn't work.

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Best Answer

You get subscripts in maths mode with _{<stuff>}, so to get an A with a subscript zero you'd type $A_{0}$.