Math Symbols Help

Example

The equation

$${\text{geometric series:}}\quad {\begin{aligned}\sum _{i=0}^{\infty }2^{-i}=2\end{aligned}}$$

It was entered as

<math display="block">\text{geometric series:}\quad \sum_{i=0}^\infty 2^{-i}=2 </math>

See this Wikipedia page for a full dictionary of all symbols Math Symbols