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**1327**on Tue Nov 05, 2013 7:11 pm

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## Aligning Math Symbols## LaTeX Forum: Math & ScienceAdd tags
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Hi there! I'm a beginner to Latex and need some help with aligning subscripts and superscripts in Maths. Here's what I have:
- Code: Select all • Open in writeLaTeX
`\documentclass{article}`
\usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{geometry} \geometry{a4paper}
\usepackage[frenchb]{babel}
\title{Remaining Maths Homework} \author{Herp Derp} \date{15 November 2012} \begin{document} \maketitle
\Large Exercise 5.1 \normalsize \\ \\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is divided into four rectangles of equal base, $x = 2$. The actual area under the graph of $f(x)$ isestimted as: $\sum_{i=1}^{+\infty}{f(x)}$ and $\int_{x_0}^{x_1}$ \end{document}
And here's the output: As you can see, the `$\infty and i=1$` are to the side of the sigma function and not on top of it. How do I solve this?- learningtex
**Posts:**2**Joined:**Fri Nov 16th, 2012
TeX normally typesets summation and product symbols with the indices on the sides in "text" style math fields, but on top/bottom in "display" style math. You can select a math display with
`\[...\]` , which is equivalent to the displaymath environment. If you want it in text mode, but still want display-sized symbols, use the `\displaystyle` command (there is also a `\textstyl` command). I provide an example of both here.- Code: Select all • Open in writeLaTeX
`\documentclass{article}` \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{geometry} \geometry{a4paper} \usepackage[frenchb]{babel} \title{Remaining Maths Homework} \author{Herp Derp} \date{15 November 2012} \begin{document} \maketitle \Large Exercise 5.1 \normalsize \\ \\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is divided into four rectangles of equal base, $x = 2$. The actual area under the graph of $f(x)$ isestimted [sic] as: $\sum_{i=1}^{+\infty}{f(x)}$ and $\int_{x_0}^{x_1}$ Option 1: \\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is divided into four rectangles of equal base, $x = 2$. The actual area under the graph of $f(x)$ is estimated as: \[\sum_{i=1}^{+\infty}{f(x)}\] and \[\int_{x_0}^{x_1}\] \\ Option 2: \\Q1. (a) The graph of $f(x)$ has a domain $D \in [0,8]$, which is divided into four rectangles of equal base, $x = 2$. The actual area under the graph of $f(x)$ is estimated as: $\displaystyle\sum_{i=1}^{+\infty}{f(x)}$ and $\displaystyle\int_{x_0}^{x_1}$ \\ \end{document}
- kaiserkarl13
**Posts:**569**Joined:**Tue Mar 25th, 2008**Location:**Knoxville, TN, USA
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