Damon Ostrander - Excel - Business Software - Computing/Technology

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Expert Profile: Damon Ostrander

Expertise: I have extensive experience with VBA programming in Excel 5 through Excel 2007. I am an consultant in a small defense technology services company, and have developed a wide range of applications in VBA, including simulations involving mixed-language programming, satellite orbit mechanics, graphics and animation, and real-time applications. I am interested in moderate to hard VBA-related questions only.

Experience in the area
I have taught several courses in Excel VBA programming and also VBA programming in Office 97 and 2000. I have developed a number of large technical applications in Excel VBA for use within the aerospace industry.

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What do you like about this subject? I enjoy helping others, not just to solve their particular problem, but also to improve their proficiency and understanding of Excel and VBA. As a result, I always try to explain why a particular problem has occurred and why a particular solution works rather than just providing a solution.

Something interesting about this subject that others may not know: VBA is a powerful general-purpose scripting language, not just a macro recording capability. When one learns to program in VBA rather than just recording macros, a whole world of new capabilities opens up.

Something controversial or provocative about this subject Contrary to the belief of many, VBA is exactly the same in Microsoft Excel, PowerPoint, Word, and Access. It is only the object models of the hosting applications, and therefore the way one works with their objects, that are different. As a result, once one knows VBA one need only learn the object model of any new application to program effectively in it.

Average Ratings
Prestige Points: 13264
Knowledge	9.95 Best of the best
Clarity of Response	9.90 Best of the best
Timeliness	9.95 Best of the best
Politeness	9.98 Best of the best
Number Of Questions (in Past 24 Hours)		0
Max Questions to be Asked (in 24 Hour period)		1
Total Questions (since joining AllExperts)		982

Recent Reviews from Users

Knowl	Clarity	Time	Politeness	Date
10	10	10	10	10/09/08
8	8	8	8	10/06/08
10	10	10	10	10/03/08
10	10	10	10	10/07/08
10	10	10	10	11/05/08

User Comments

great job!
(dpevergreen on 10/09/08)

Thanks..
(Rajeev on 10/06/08)

Thank you again. You answered my question. 1 Value per Cell. I wanted to put several values per cell on the same date and the same catagory only added
(Ben Dangerfield on 10/03/08)

Thanks for the response. The returned code worked very well, and expanded way beyond anything I'm currently capable of. I'm currently asking some foll
(David on 10/07/08)

thanx...it works
(vikrant on 11/05/08)

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Recent Answers from Damon Ostrander

2008-11-16 Weighted average with month as one column: Hi Steve, There are many ways of doing weighted averages, and there are several different definitions that could be used for "month weighting". I am going to make the assumption that by "month weighting"...

2008-10-07 EXCEL creating command button: Hi again hilman, Yes, the method I proposed would necessarily be limited, but so would a method that dynamically adds buttons to the form because eventually room for more buttons would run out on the...

2008-10-06 EXCEL creating command button: Hello hilman, I am assuming all these controls are on a userform. While I believe it is possible to add a commandbutton while a form is running, it requires a lot of code to position it in the right...

2008-10-04 Excel Picture and VBA...: Hello Rajeev, There are a number of different ways to save/retrieve/display pictures in an Excel database using VBA. The best method for you depends on the exact functionality you want, and whether...

2008-10-03 Monthly Expense Reports: Hi Ben, I'm not absolutely sure that I understand your question. It IS possible to have a dropdown list in a cell, the easiest way being to use a Data Validation List dropdown. But one cannot place...