Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1   Report Post  
Posted to microsoft.public.excel.misc
JMK JMK is offline
external usenet poster
 
Posts: 11
Default Adding multiple data fields from time based data.

Ok so heres my problem.
I have a workbook which has the following columns:

Date, A/C Type, Rego, PIC, Co-Pilot, and then 13 columns of different types
of flying.

What I need, and have been trying to figure out, is a formula which will
compare todays date to that of 30 and 90 days ago and then add all the data
within the 13 columns to give me the total number of hours flown in the
previous 30 and 90 days, on any aircraft type, configuration, etc.

I have tried SUMIF, COUNTIF, and a few other basic formulas, but for some
reason any time I try and add in TODAY, NOW, etc it makes the formula
volitile and either returns an error or 0.

If anyone can give me any ideas on which formulas to try, it would be a
great help!
  #2   Report Post  
Posted to microsoft.public.excel.misc
external usenet poster
 
Posts: 4,393
Default Adding multiple data fields from time based data.

Have a look at SUMPRODUCT
http://www.xldynamic.com/source/xld.SUMPRODUCT.html
http://mcgimpsey.com/excel/formulae/doubleneg.html
best wishes
--
Bernard V Liengme
www.stfx.ca/people/bliengme
remove caps from email


"JMK" wrote in message
...
Ok so heres my problem.
I have a workbook which has the following columns:

Date, A/C Type, Rego, PIC, Co-Pilot, and then 13 columns of different
types
of flying.

What I need, and have been trying to figure out, is a formula which will
compare todays date to that of 30 and 90 days ago and then add all the
data
within the 13 columns to give me the total number of hours flown in the
previous 30 and 90 days, on any aircraft type, configuration, etc.

I have tried SUMIF, COUNTIF, and a few other basic formulas, but for some
reason any time I try and add in TODAY, NOW, etc it makes the formula
volitile and either returns an error or 0.

If anyone can give me any ideas on which formulas to try, it would be a
great help!



Reply
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Adding multiple fields to a Pivot table at one time GSeattle Excel Discussion (Misc queries) 1 May 30th 07 06:14 PM
Can I pivot multiple data fields and display them in a column? Marc Forget Excel Discussion (Misc queries) 2 December 19th 06 06:29 PM
Adding Date/Time fields teastman New Users to Excel 6 January 1st 06 06:08 AM
Adding specific objects based on data... Kay Excel Discussion (Misc queries) 2 July 14th 05 09:28 AM
Pivot Tables multiple data fields Excel GuRu Excel Worksheet Functions 2 December 16th 04 01:06 AM


All times are GMT +1. The time now is 12:29 PM.

Powered by vBulletin® Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004-2024 ExcelBanter.
The comments are property of their posters.
 

About Us

"It's about Microsoft Excel"