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Thanks, I could have sworn I tried that. I was tired. Thanks.
I don't usually use displaystyle math though but if I don't when using those subscripts it's way too cramped.
\documentclass[11pt]{article}
\usepackage{mathtools}
\begin{document}
$\int_{t_i}^{t_f}$
\end{document}
How can I reduce the ...

How can I create a integral that has a variable with these subscripts in it's upper and lower bound?
I can use:
\documentclass[11pt]{article}
\usepackage{mathtools}
\begin{document}
\int_{t_i}^t
\end{document}

But the minute I add the subscript on the upper limit it doesn't work.
\documentclass ...

I try to use negative hspace and vspace only as a last resort but thank you for the response kajal. The alignat method works fine, I'll use that. Thank you localghost.

How can I decrease the amount of space between the comments and the math in the following ?
\documentclass[11pt]{article}
\usepackage{mathtools}
\begin{document}
\begin{align*}
3+x &=4 && \text{comment}\\
x &=4-3 && \text{another comment}\\
x &=1 && \text{yet another comment}\\
\end{align ...

Got it. It works now. Thanks localghost.

I'm trying to install the mathtools package on Ubuntu 11.10.


Downloaded the mh bundle from CTAN
Extracted it.
Created the .sty files from the command line with: tex filename.dtx
Created directories for each package in: /usr/share/texmf-texlive/tex/latex
Moved each .sty file to their ...

It's work now after installing version 5.x. Thank you all for your help.

I tried the following both in Texmaker and Gummi (I'm on Ubuntu 11.10) but just get errors and no change in the margins of the PDF.
\documentclass[11pt]{article}
\usepackage{geometry}
\geometry{hmargin={3cm,1.5cm},vmargin={2cm,3cm}}
\begin{document}
\noindent This is some text here on this line ...

How can I achieve different margins on different pages? The reason I want to do this is that I have an align environment that I don't want to break in two. So the first page is a little crowded at the bottom but I want all the math together. Right now I use the following code. Sorry I don't know how ...

Ok, the direct to PDF method works for me. Thank you.