This page of KSpread's configuration dialog box (obtained by selecting from the menu) controls some more KSpread features:
Controls how many worksheets will be created if the option Start with an empty document is chosen when KSpread is started.
Controls the maximum number of filenames that are shown when you select ->.
Here you can select the time between autosaves, or disable this feature altogether by choosing No autosave (drag the slider to the far left).
Check or uncheck this box to show or hide the vertical scrollbar.
Check or uncheck this box to show or hide the horizontal scrollbar.
Check this box to show the column letters across the top of a worksheet.
Check this box to show the row numbers down the left side.
This check box controls whether the sheet tabs are shown at the bottom of the worksheet.
Here is where you can choose to show or hide the Formula bar.
Uncheck this box if you want to hide the status bar.