1. Eusprig 2007 Management Paper Spreadsheet Hell Simon Murphy simon.murphy@codematic.net Developer – Codematic Ltd With contributions from www.smurfonspreadsheets.co.uk

2. Eusprig 2007 Question Who knows of an organisation that may be suffering from Spreadsheet Hell?

3. Eusprig 2007 Spreadsheet background Over 1 trillion dollars ($ 1,000,000,000,000) Often linked to other technologies such as OLAP, ADO, COM or.net etc. Finance, Banking and Sales and Marketing areas

4. Eusprig 2007 Agenda Spreadsheet use Micro spreadsheet hell Macro spreadsheet hell Summary Formulas Questions

5. Eusprig 2007 Spreadsheet use Source:CFO (2004): http://www.cfo.com/article.cfm/3014451?f=relatedhttp://www.cfo.com/article.cfm/3014451?f=related

6. Eusprig 2007 Spreadsheet use 2 Stats source:CFO (2004): http://www.cfo.com/article.cfm/3014451?f=related, interpretation minehttp://www.cfo.com/article.cfm/3014451?f=related

7. Eusprig 2007 Spreadsheet Lifetimes

8. Eusprig 2007 Spreadsheet hell types Micro Macro

9. Eusprig 2007 Frankensheet

10. Eusprig 2007 Frankensheet

11. Eusprig 2007 Frankensheet

12. Eusprig 2007 Micro Spreadsheet hell

13. Eusprig 2007 Micro Spreadsheet hell 2

14. Eusprig 2007 Demo

15. Eusprig 2007 Micro Spreadsheet hell 3

16. Eusprig 2007 Macro Spreadsheet hell 100% considered (mis)management the key factor (SOS)

17. Eusprig 2007 Organisational management

18. Eusprig 2007 Common Folder Structure

19. Eusprig 2007 Duplicate history

20. Eusprig 2007 Spreadsheet forest

21. Eusprig 2007 Common end user computing Primary data sources Workbook Primary data sources Workbook

22. Eusprig 2007 Better end user computing Primary source data Reporting data sources Workbook Reporting data sources Primary source data Reporting data sources Workbook Reporting data sources

23. Eusprig 2007 Summary Micro spreadsheet hell –Individual spreadsheet quality –Reasonably well documented –Limited consensus on quality Macro spreadsheet hell –Organisational issue –Being replaced(?) by database hell –Effective infrastructure investment helps

24. Eusprig 2007 Formula Fun =SUM(#REF!) =Cost*50%*1000 =((Area/Floors+IF(Levels>0,gArea/Levels,0))*200%/2)^0.5 *6 ='Standard Cost.xls'!DUMPSTER =GetExtData(“Some Criteria")+181970242+5989278

25. Eusprig 2007 Formula Fun

26. Eusprig 2007 Formula Fun

27. Eusprig 2007 Questions? Email –simon.murphy@codematic.net Websites –www.codematic.net –www.xlanalyst.co.ukwww.xlanalyst.co.uk Blog –www.smurfonspreadsheets.co.uk