booktabs
booktabs + tabularx + multirow + longtable — Professional Tables
CTAN: https://ctan.org/pkg/booktabs | https://ctan.org/pkg/tabularx
Manual: texdoc booktabs
Setup
\usepackage{booktabs} % professional horizontal rules
\usepackage{tabularx} % auto-width columns
\usepackage{multirow} % cells spanning rows
\usepackage{longtable} % multi-page tables
\usepackage{colortbl} % colored rows/cells (optional)
\usepackage{siunitx} % number alignment (optional)
Ugly vs Professional — Before/After
❌ Bad Table
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