Electronic spreadsheets are computer applications that allow users to organize, analyze, and manipulate data in a tabular format. They consist of rows and columns, where data can be entered, calculated, and displayed. Users can perform various mathematical operations, create formulas, and apply functions to automate calculations. Electronic spreadsheets also offer features like data sorting, filtering, and charting, making it easier to visualize and interpret data. They are commonly used for financial analysis, budgeting, data management, and other tasks requiring data organization and analysis.