POST

# Display & Inline Math

Another day in latex wonderland … Today I was writing an equation in an `aligned`

environment using `sum`

and those fancy things. Unfortunately `aligned`

is a display math environment such that the limits of `sum`

are displayed above and below, which was really not suitable in my case. So how do I display inline-math style in a display math environment?

Let’s say we have an equation environment with an equation

```
\begin{equation*}
\sum_{i=0}^{n} x^i
\end{equation*}
```

To display the `sum`

as inline math we can simply use `\textstyle`

.

```
\begin{equation*}
{\textstyle \sum_{i=0}^{n} 2^i} \prod_{i=0}^{n} i^2
\end{equation*}
```

Note that the `prod`

is display math again.