Google Sheets, or Google Spreadsheets, is a web-based app that enables users to make and edit spreadsheets, and share them live online. Files can then be accessed from any computer with internet connection and a full featured web browser. Works can be published as web pages, or print-ready manuscripts. Some features of Google spreadsheets:
  • Compatible with most presentation software and word processes
  • Enables multiple authors from diverse locations to collaborate on projects
  • No risk of total data loss
  • Combines text with formulas, lists, tables, and images

Google Spreadsheets icon from Google Apps

Detailed, up to date four part tutorial on how to use Google sheets