The format will depend on the type of data. If they were dates you would use a different format than if it was percentages for example. You would put a formula into the cell and then format the cell as appropriate. Your formula itself would specify the range, by putting a colon between the two cells. So a formula to sum the values in the range would be:
=SUM(B3:H3)
B3:H3
B3:H3
In MS Excel 2010, there are 8 ways to format Time Cells
The default format style that Excel assigns to all cells in a workbook is the General format. This format displays numbers as they are entered and adjusts automatically based on the content of the cell.
I need more detail in order to fully answer your question. Are you sure the sum formula includes the cells that you are changing?
Format cells to comma style.
Format / Cells / Date
The formula bar.
It is not done for individual cells. You can change a setting in the options to not show a 0 where a formula results in one.
A dependent is a cell that a formula depends on. The cells mentioned in a formula are its dependents.
Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.Cells are selected constantly in using Excel. To enter anything into a cell it needs to be selected. To do things like format cells, they need to be selected. To do things like make charts, cells need to be selected. Cells are fundamental to using Excel, so anything you do with cells needs them to be selected.
It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.It opens the Format Cells dialog box.
Normal style
In effect a cell in Excel is a box where either text, number or formula can be placed.