You can use a facility called Goal Seek to try to establish a value in one cell that will produce a specific result for a formula in another cell.
An Excel worksheet or spreadsheet allows data to be easily summed and charted.
worksheet
Excel worksheet Separator is a powerful, friendly and easy-to-use Excel tool to split multi-sheet excel files into single sheet excel files with high speed. This excel tool can easy to find you excel files and change the complicated ,duplicate and boring excel works into easy ones.
Insert Function in Excel allows you to enter a function into your worksheet. You can choose your function from different categories fo functions. It will also give you a little help on the function so that you can use it in the correct way.
The NOW function
It is another name for spreadsheet. It is a single tab.
A single page is a worksheet; a collection of worksheets is a workbook.
zoom
It enables you to move up and down the worksheet.
Object linking or embedding or OLE.
It allows you to view different parts of a worksheet at the same time.
The F9 key.