This document discusses financial ratio analysis, which involves establishing quantitative relationships between financial statement items to analyze a company's financial position, performance, and trends over time. It provides definitions and formulas for various types of ratios, including liquidity, solvency, activity, and profitability ratios. Examples are given to demonstrate how to calculate and interpret common ratios like current ratio, acid test ratio, debt-to-equity ratio, and return on assets. The document aims to explain ratio analysis as a tool for evaluating the strengths and weaknesses of a business.