Google Spreadsheets is a part of the Google Docs web app suite. Questions about Google Spreadsheets are off topic and should be asked on webapps.stackexchange.com, unless they specifically involve your computer or browser.

Google Sheets (formerly Google Spreadsheets) is part of the Google Docs Editors suite of office tools.

See our sister Stack Exchange site, Web Applications for more focused questions and answers on Google Sheets and other Google Docs Editors applications.