I like Dave's answer. It seems to work the best. Thanks. On Sun, Aug 1, 2010 at 1:28 AM, Dave Bonallack <davebonall...@hotmail.com>wrote:
> Hi, > Try changing the formula in M3 to: > > IF(COUNT(M1,M2)>0,*SUM(M1:M2)*,"") > > I think *M1+M2* is the problem. The '+' operand can't seem to handle > non-numeric inputs, whereas the SUM function has a built-in ability to > ignore them. > Regards - Dave. > > ------------------------------ > Date: Sat, 31 Jul 2010 22:42:34 -0700 > Subject: Re: $$Excel-Macros$$ Arithmetic with blank cells > > From: irvinep...@gmail.com > To: excel-macros@googlegroups.com > > OK, here is an example: The whole idea is to prevent a data entry > spreadsheet having a bunch of zeroes in all the totalizing columns. Cells > K1,L1 and K2,L2 have been "Clear Contents", Cell M3 the totalizer cell is > blank. Put a 1 in K1 and the #Value error appears in M3 > > > Cell M1: =IF(ISNUMBER(K1),K1*L1,"") Cell M2: > =IF(ISNUMBER(K2),K2*L2,"") Cell M3 > =IF(COUNT(M1,M2)>0,M1+M2,"") > Type(ing) all the cells shows all numeric except M2(2) and M3(16) > > Clearly it is the "" in M2 that is causing the value error and excel is ok > with multiplying the blank value in L1 to the 1 in K1 even though the result > is blank. > > This is really what I am trying to accomplish, make the blank worksheet > look blank where arithmetic is taking place. Thanks to a post, I found a > new option in Excel Options-Advanced-Display Options for This Worksheet-Show > a zero in cells that have a zero value > I unchecked that guy and at least the spreadsheet does not show the zeroes > but of course there are times when zero is a legitimate value to display. > > Thanks for all the interest and the answers. > zp18 > > -- > > ---------------------------------------------------------------------------------- > Some important links for excel users: > 1. Follow us on TWITTER for tips tricks and links : > http://twitter.com/exceldailytip > 2. Join our LinkedIN group @ http://www.linkedin.com/groups?gid=1871310 > 3. Excel tutorials at http://www.excel-macros.blogspot.com > 4. Learn VBA Macros at http://www.quickvba.blogspot.com > 5. Excel Tips and Tricks at http://exceldailytip.blogspot.com > > To post to this group, send email to excel-macros@googlegroups.com > > <><><><><><><><><><><><><><><><><><><><><><> > HELP US GROW !! > > We reach over 7000 subscribers worldwide and receive many nice notes about > the learning and support from the group.Let friends and co-workers know they > can subscribe to group at > http://groups.google.com/group/excel-macros/subscribe > > -- > > ---------------------------------------------------------------------------------- > Some important links for excel users: > 1. Follow us on TWITTER for tips tricks and links : > http://twitter.com/exceldailytip > 2. Join our LinkedIN group @ http://www.linkedin.com/groups?gid=1871310 > 3. Excel tutorials at http://www.excel-macros.blogspot.com > 4. Learn VBA Macros at http://www.quickvba.blogspot.com > 5. Excel Tips and Tricks at http://exceldailytip.blogspot.com > > To post to this group, send email to excel-macros@googlegroups.com > > <><><><><><><><><><><><><><><><><><><><><><> > HELP US GROW !! > > We reach over 7000 subscribers worldwide and receive many nice notes about > the learning and support from the group.Let friends and co-workers know they > can subscribe to group at > http://groups.google.com/group/excel-macros/subscribe > -- George W -- ---------------------------------------------------------------------------------- Some important links for excel users: 1. Follow us on TWITTER for tips tricks and links : http://twitter.com/exceldailytip 2. Join our LinkedIN group @ http://www.linkedin.com/groups?gid=1871310 3. Excel tutorials at http://www.excel-macros.blogspot.com 4. Learn VBA Macros at http://www.quickvba.blogspot.com 5. Excel Tips and Tricks at http://exceldailytip.blogspot.com To post to this group, send email to excel-macros@googlegroups.com <><><><><><><><><><><><><><><><><><><><><><> HELP US GROW !! We reach over 7000 subscribers worldwide and receive many nice notes about the learning and support from the group.Let friends and co-workers know they can subscribe to group at http://groups.google.com/group/excel-macros/subscribe
