This document provides an overview of ratio analysis. It defines ratio analysis as using ratios to analyze a company's financial statements and determine its financial soundness. Ratios are calculated by dividing two related quantitative variables. Ratio analysis can be used to interpret individual ratios, groups of ratios, ratio trends, and compare ratios across companies. Common types of ratios include liquidity ratios, profitability ratios, turnover ratios, and solvency ratios. The document also discusses the advantages and limitations of ratio analysis.