The document discusses tools used in financial analysis. It defines financial analysis as interpreting a company's past, present and future financial condition. There are two types of financial analysis: single-period analysis which compares financial data from a single time period, and comparative or trend analysis which compares financial data across multiple periods to determine improvements or declines in financial position. Comparative ratio analysis involves comparing a company's financial ratios to industry averages to identify any deviations that should be investigated.