Do you want to hide the calculated values? Suppose cell B1 is based on A1.
Delete the contents of A1, and change the formula in B1 from

=<whatever

to

=IF(LEN(A1)=0,"",<whatever)

You might consider some kind of unique formatting (e.g. light blue shading)
in A1 and other user-input cells so the user knows where to enter inputs.

- Jon
-------
Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. - http://PeltierTech.com
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"perfection" wrote in message
oups.com...
I wish to use a previous years excel sheet but i need to blank out all
entered and caluclated values present. If i do a complete delete i
will lose all the formulae that have vbeen inserted into certain
formulae. How can i delete all values withour the formulae getting
deleted