You are here:

Excel/Expert Profile


Ask A Question

Jan Karel Pieterse

Netherlands
Available
Expertise

Excel and Excel/VBA questions

Experience in the area

Excel MVP

Organizations

Self employed Excel developer

Education/Credentials

Bachelor in Chemical Engineering

Awards and Honors

Microsoft MVP award since 2002

Past/Present Clients

Shell, Fortis bank, ABN-AMRO bank, Morgan Stanley, ...

Average Ratings

Recent Reviews from Users

Read More Comments

    K = Knowledgeability    C = Clarity of Response    T = Timeliness    P = Politeness
UserDateKCTPComments
Wim van Kuijk11/18/0910101010Jan Karel's performance and help was astonishing .....
Henk11/17/0910101010 
Timo11/11/0910101010Well that was fast! Thank you for .....
Shawn11/08/0910101010very helpful,appreciate you
Lee11/05/0910101010AS easy as that, lol Many thanks

Recent Answers from Jan Karel Pieterse

2009-11-19 Copying multiple worksheets data and updating:

Hi Fernando, Something like this (paste code in normal module, always make sure your first sheet is active before running the code): Sub CopyInfo() Dim oSh As Worksheet For Each oSh In

2009-11-18 Left Lookup:

I think the easiest way to do this is by using a pivot table. I put a row above the data, with labels "Name" above the names and "City" above the cities. - Select from the menu: Data, Pivot table and

2009-11-17 Multiple currency conversions in Excel 2007:

You could use the IFERROR function: =H13/IFERROR(VLOOKUP(G13;$B$13:$B$19;2;FALSE);1) In that case, the function uses 1 as conversion rate when a currency ins't found. That will avoid errors in

2009-11-16 Multiple currency conversions in Excel 2007:

Hallo Wim, Dutch would have been fine, but indeed, English is best here, so others might learn too. Have a look in Help on the VLOOKUP worksheet function. It will do exactly what you need here.

2009-11-11 comparing two lists and deleting matches:

Hi Timo, A manual way: Assume column A contains unique entries and you want to delete any entries that have a duplicate in column A. Enter this formula in any empty column: =COUNTIF($A$2:$A2

 

Ask A Question

About Excel
This topic answers questions related to Microsoft Excel spreadsheet (or workbook) stand-alone or Mircrosoft Office Excel including Excel 2003, Excel 2007, Office 2000, and Office XP. You can get Excel help on Excel formulas(or functions), Excell macros, charting in Excel, advanced features, and the general use of Excel. This does not provide a general Excel tutorial nor the basics of using a spreadsheet. It provides specific answers to using Microsoft Excel only. If you do not see your Excel question answered in this area then please ask an Excel question here

All Answers

Answers by Expert:


Ask Experts

Volunteer


©2009 About.com, a part of The New York Times Company. All rights reserved.