How to use amsmath package in LaTeX

I have installed tetex-base and other packages, but a simple test file beginning \documentclass[12pt]{article} \usepackage{amsmath} gives an error message (I have been able to process TeX and LaTeX files that do not use amsmath). Is this package contained in tetex-extras, or does

Re: How to use amsmath package in LaTeX

Hello Charles, you have to install tetex-extra . hth, Jerome Charles Blair wrote: I have installed tetex-base and other packages, but a simple test file beginning \documentclass[12pt]{article} \usepackage{amsmath} gives an error message (I have been able to process TeX and LaTeX files