LibreOffice includes the following components.
Text Document:
Writer is a featurerich tool for creating letters, books, reports, newsletters, brochures, and other documents.
Calc (spreadsheet):
Calc has all of the advanced analysis, charting, and decision making features expected from a highend spreadsheet. It includes over 300 functions for financial, statistical and mathematical operations, among others.
Impress (presentations):
Impress provides all the common multimedia presentation tools, such as special effects, animation, and drawing tools.
Base (database):
Base provides tools for day-to-day database work within a simple interface. It can create and edit forms, reports, queries, tables, views, and relations, so that managing a relational database is much the same as in other popular database applications.
Math (formula editor):
Math is the LibreOffice formula or equation editor. You can use it to create complex equations that include symbols or characters not available in standard font sets.