Beamer

• How to Break a Subsection Title in Beamer
  Break a long Beamer subsection title with a short navigation title, protected line breaks, and a PDF-bookmark-safe alternative.
• How to Left-Align an Align Environment in Beamer
  Use the fleqn option with beamer and set mathindent to zero to make align environments start at the left margin.
• How to Strike Through a Beamer Item After It Appears
  Use Beamer’s \alt overlay command with \sout from ulem to show an item normally first, then strike it through on later overlays.
• How to Put a Table of Contents in a Beamer Headline
  Use Beamer’s built-in section navigation for a compact headline, and put a multicol table of contents on a regular frame for reliable columns.
• How to Display LaTeX Code in a LaTeX Document
  Use the listings package to show LaTeX source as code, configure its appearance, and place code safely in a Beamer presentation.
• How to Fix Errors Compiling a Beamer File with pdfLaTeX
  Troubleshoot Beamer compilation by checking the first LaTeX error, confirming the PDF or DVI workflow, and testing a minimal working file.
• How to Reveal Definitions One at a Time in Beamer
  Reveal each term and definition on successive Beamer overlays with \item<+->, or use explicit overlay numbers for more control.
• How to Define a Custom Beamer Frame Command
  Define a command that starts a Beamer frame, then end it with the literal \end{frame}; this also works with beamerarticle.
• Beamer Copenhagen: How to Change the Headline Height?
  In Beamer's Copenhagen theme, adjust the headline template's color-box heights; \headheight is a different page-style dimension and usually does not control it.
• How to Stop Beamer Footnotes Overlapping Navigation Symbols
  Remove Beamer’s navigation-symbol template to stop it overlapping footnotes, or customize the footnote and footline areas if you need to keep the buttons.
• How to Enlarge Square Enumerate Labels in Beamer
  In Beamer, enlarge square enumerate labels with the item projected font setting; the square badge generally scales with that font.
• Beamer or PowerPoint/LibreOffice Impress: Which Should You Use?
  Choose Beamer for reproducible, equation-heavy slides; choose PowerPoint or Impress for visual editing, collaboration, and flexible media.
• How to Make Beamer Objects Appear in Different Places
  Use Beamer overlay commands to change what appears, and TikZ overlay nodes when an object must occupy precise positions on different slides.
• How to Number Beamer Frames and Link to Appendix Slides
  Distinguish Beamer frame numbers from PDF page numbers, exclude appendix slides from the main total, and add buttons linking to named slides.
• How to Show Figure Numbers in Beamer
  Beamer hides figure numbers in captions by default. Enable numbered captions with one template setting, then add a caption inside the figure environment.
• A Minimal Beamer Template for MiKTeX 2.9
  Use this minimal Beamer presentation template with MiKTeX 2.9, compile it with pdfLaTeX, and troubleshoot missing classes or themes.
• How to Use Beamer’s \visible with \cellcolor
  In Beamer tables, \visible hides cell content but may not hide \cellcolor’s background; control the fill separately with an overlay-aware branch.
• Fix “beamertheme.sty not found” in TeX Live
  Fix “beamertheme.sty not found” by correcting the Beamer theme command, installing the missing TeX Live package, or checking your active TeX installation.
• How to Align Figures at the Top in Beamer
  Align side-by-side Beamer figures with top-aligned columns, and fix apparent offsets caused by whitespace inside the image files.
• Can Beamer Break Frames Inside a Multicolumn Environment?
  Beamer cannot reliably break a slide inside a multicols layout. Use allowframebreaks for flowing text or create successive frames with columns.