I want to set a condition with multiple options, how do i do it?

I have a workbook with a summary page linked to several source documents. The
value on the summary page cells  is not the same as the value on the source
document cells. "Links" under "Edit" is not highlighted so I can not use this
function.  

I'm creating a spreadsheet in which I want to enter data and have the date
entered be used to separate the information so I can total it.  For instance,
all entries made in January are totaled, and February, etc.  So that I can
produce a monthly report and then a yearly total.  I ...

Well, I never thought I'd run into this one!  But, a problem came up
at the office with designing a worksheet where difference between two
time values is calculated.  The problem was that a user may enter
something that isn't recognized by Excel as a time - for example,

I'm trying to apply conditional formatting to a spreadsheet using the IF
function.  I know I'm using the correct formula.  But the formatting is not
being applied.  It's like the function is not working.

Here is a clip from the data I need to select from.
11-Jun    IP    D
12-Jun    IP    D
12-Jun    IP    D

I am trying to copy simple formulas in a spreadsheet and Excel appears to
only be copying the values.  But when I go to the cell, it has the correct
formula, but the wrong result.   I have not seen this before...can anyone
help??   The formula I copy has the same result in ever ...

If I have a worksheet with the following info      1       2       3        4
                                                                   200   80
  180     500
and I give the the following info

I have a set of around 400 values in a sheet which range between 1 and
200,000. When I try to calculate the GEOMEAN value I get a #NUM! result. If I
calculate the accumulating GEOMEAN (A1:A1, A1:A2, A1:A3 etc.) I find that the
#NUM! starts when I hit the 174th item, which looks ...

I am trying to run the formula containing the
=SMALL(IF($A$1:$A$7=$A$10,ROW($A$1:$A$7)),ROW(1:1)) function from this
Microsoft Office Help link:  
http://office.microsoft.com/en-us/excel/HA012260381033.aspx?pid=CL100570551033

How can I put the same text into the same cell in all worksheets in an Excel
file?
I want to take the text in C3 in worksheet 1 and put in in C3 in all
worksheets in the same file.

I am using an IF statement to check a specific criteria but on some
responses I get a "FALSE" if none of the criteria is meant or 0 if part of
the criteria is meant.  I would like to tigten this up and have a 1 or 0
response.

I need to change the reference (=B474) in this formula to something that
will select all entries in the range A12:A399 that fall within the month of
SEP 06 then sum the numbers found in Column E.   The cells in range A12:A39
are formatted as dates.  I don't know how to enter this ...

I have a spreadsheet in which A:1 contains First and Second Names as a
single entry, e.g. 'Fred Smith'.
I want to be able to include only the First Name in statements in other
fields, e.g. 'Fred can .' I have considered splitting the name across two

i need the current date and time, in this format mm/dd/yyyy:hh:mm:ss
i used the custom format, to get the desired result.
But, wen i get into the edit mode (F2), it displays "6/25/2007  3:05:08 AM"
Please help me with this, i need to COPY the date in mm/dd/yyyy:hh:mm:ss