Spreadsheet User Interface Overview

The above screenshot is Spreadsheet user interface, and each part of above is introduced as follows:

Toolbar
The toolbar contains all commonly-used functions including setting cell's style, alignment, border, background color, font, font color, merging (and unmerging) cells, sorting, auto filter, protection and grid line visibility. It has 2 tabs, another tab is used to insert charts, images, and hyperlinks:
Formula bar
It displays editing text or formula of current selected cell and can be used to enter or edit a formula or data.
Sheet Area
It displays the content of current selected sheet, and you usually perform most editing operations in this area.
Context menu
Right clicking on a cell, a column header, or a row header pops up a context menu. It contains most options of the toolbar and works like a shortcut.
Sheet bar
A list of all sheets of this book. You can navigate to any sheet by clicking on it. Click can add a new sheet. Right clicking on a sheet pops a context menu: and it allows you to delete, rename, protect, and move the clicking sheet.