TeX - LaTeX Stack Exchange is a question and answer site for users of TeX, LaTeX, ConTeXt, and related typesetting systems. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I need to override the default equation numbering behavior.

I want the numbers next to equations in my Beamer slide presentation to match with the numbers of the same equations in my paper.

so instead of equations 1,2,3,4,...

it would be equations 2.2, 5.1, 7.1, 7.2 ...

share|improve this question
up vote 10 down vote accepted

Beamer loads the amsmath package, so you can just use the \tag command to supply the specific number for each equation:

y = x^{2}
share|improve this answer
@Munn thank you ! – b_dev Feb 22 '11 at 17:58

Simply redefining \theequation to 2.2, 5.1, 7.1, 7.2, ..., direct before the equation should do the trick. You can do this using:


If you have issues with that try:

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.