Yesterday, Google released Google Spreadsheet in limited, invitation-only beta. The initial release of the browser-based application is fairly basic—there's no charting or PivotTables, limited formatting, and so forth. The initial size of a spreadsheet is only 100 rows-by-25 columns, as opposed to Excel's 65,536 rows and 230 columns. There are only 135 functions, far fewer than Excel's 333. ( See a complete list of Google Spreadsheet's functions .) But unlike Excel, you can easily share spreadsheets, letting others edit at the same time or simply view and chat with you as you navigate the spreadsheet. And spreadsheets are stored online so you can access them from anywhere. And of course, storing more of your content with Google gives them more content to index and perhaps eventually use to put ads in front of you. But there aren't any ads in this version of the beta. (来源：www.EnglishCN.com)
I tried opening several spreadsheets in the application with mixed success. Simple spreadsheets came in with no problem and the app was able to read formulas. It choked on my massive Weight spreadsheet although I was able to cancel out. And several times it lost connection with the server, causing me to lose recent edits. Those problems are okay when the app is in limited beta, but they have to be fixed by the time this becomes more widely available.
The app supports a surprising number of keystrokes that typically only work in desktop applications. For instance, Ctrl-z will undo your last action. Cut/Copy/Paste (Ctrl-X/Ctrl-C/Ctrl-V) also work. But even things like Ctrl-D to Fill Down and Ctrl-R to Fill Right work.
Google Spreadsheet doesn't appear to be a replacement for a database or list manager, which is what people often use Excel for. If that's what you want, try Google Base instead.