This document provides information on ratio analysis including its definition, purpose, types of ratios, and how they are calculated and interpreted. Ratio analysis is a technique used to analyze financial statements and evaluate the performance, financial position, and viability of a business entity. It involves calculating various financial ratios using data from the income statement, balance sheet, and cash flow statement, and comparing them over time and against industry benchmarks to gain insight into the entity's profitability, liquidity, leverage, and operating efficiency. The document outlines various financial ratios that can be computed such as the current ratio, quick ratio, debt-to-equity ratio, and discusses how ratios are expressed and important considerations in their use and interpretation.