I have created an Excel VBA program (as Add-In). I want to create a Demo
version of this Add-In (for prospective users) which will stop working after
a specified number of days (after installation).
Can anybody give me an idea how to go about this?

I am making a worksheet in excel and I have a YES NO cells.  I would like to
be able to black out the cell I want to answer.  Ex. if my answer is yes I
would like to click on the cell and it would automatically turn black.  Is
that something that would be possible?  could you use ...

I have come across a spreadsheet in Excel 2000 which exceeds the 65536
number of formulas that Excel's dependency table can keep track of. The
consequence is that 'Calculate' is permanently diplayed in the status bar,
AND (much more important), it cannot keep track of circular ...

I have a spread sheet that has (example) numbers in a cell  45% (5/11) in a
cell or 60% (60/100) in a cell.  I have hundreds of cells each with different
series of numbers all with a 1-2 or 3 diget % and two numbers in ().  I want
to delete the number in parenthesis and the ...

I am stumped on a complex combination problem. I need to create all possible
combinations to fill grids 7 columns wide with set parameter restrictions.
Parameters are: 1) the number of columns the grid will take 2) the number of
times 'x' is to appear in the columns, going ...

Hi. I assume that I'm missing something with functions here. Suppose
I've got the following data...
Item #    Type        Qty    Value
1     baseball     52     $40.00

Hello: I  have a data row from a3 to z3 that is added to weekly. I need a
formula that will select  the top 10 values from the row and average them
out. Changing the answer as the data is entered . The data input will range
from - 0 to 65. thanks

I have a spreadsheet which states either yes or no that a report was
filed on time and then following responses of whether the report was
complete or not, etc.
I need another worksheet in the same workbook to count the number of

I don't get it how to format fields and apply some formula to calculate
with time-differences.
Example:
    I want the difference of two time fields expressed as    

This is probably a stupid question, but I am creating a database, in which I
want the cells in ex. range A2:G57 to highlight a certain color, but only if
the cell in the same row has a value of 1.  Please understand that I don't
want all of the cells (A2:G57) to change, just the ...

My Paste Function button is missing from the toolbar. I clicked on the
pull-down menu at the end of the toolbar, and cannot find it among the extra
buttons that you can add to the toolbar. Please help. Thanks in advance.

Why do "moving ants" appear around a cell when you are creating a formula,
and what other times may they appear?

I am able to get Excel to display 2 different sheets within the same
workbook (one sheet on each screen).  However, when I page up or down
on one sheet, the other sheet also moves.  Does anyone know how to
lock down one of the sheets?  When you're trying to look at formulas

If I setup a data table as follows:
A1=0
A2=0
A3=A1+A2

I need to download a program that will be easy to use.  i sign in as confused
senior