Category Archives: Uncategorized

Excel: Evil and Hero Functions

Some time back I setup a (not too serious) survey (based on Excel online of course) to see what people thought were the best (most heroic) and worst (most evil) Excel worksheet functions. And the most evil function is: GETPIVOTDATA! … Continue reading

Posted in Uncategorized | 3 Comments

INDIRECT – Excel’s Most Evil Function

My choice for Excel’s most evil worksheet function is INDIRECT, for reasons outlined below. If you have a different choice you can cast your vote for your most evil function (and your favourite function) here. So what makes INDIRECT so … Continue reading

Posted in Uncategorized | 14 Comments

Special Offer for Excel Summit South

If you were thinking about joining us at Excel Summit South for what promises to be a great 2 days of Excel then register now to take advantage of a 10% discount offer. Just use coupon code LIMITED – the … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

2015 in review

The WordPress.com stats helper monkeys prepared a 2015 annual report for this blog. Here’s an excerpt: The Louvre Museum has 8.5 million visitors per year. This blog was viewed about 170,000 times in 2015. If it were an exhibit at … Continue reading

Posted in Uncategorized | Leave a comment

Excel Summit South: Auckland Sydney Melbourne March 2016

I have spent the last 2 years putting together this stellar line-up of speakers (Excel MVPs – the Excel Dev Team – External speakers) for a series of 2 day conferences in Australia and New Zealand in March 2016. This … Continue reading

Posted in Uncategorized | Tagged , , , , | Leave a comment

Excel ForceFullCalculation: Trading off Editing speed vs Calculation speed

A recent post at Stack Overflow reminded me that I have not posted about the pros and cons of Excel’s Workbook.ForceFullCalculation property. So what does Workbook.ForceFullCalculation do? The simple answer is that it switches off Excel’s smart recalculation algorithm, so … Continue reading

Posted in Calculation, Memory, Uncategorized, VBA | Tagged | 7 Comments

Timing Excel Formula Calculations

I have written a couple of posts previously about the methodology of timing Excel calculations: A Quantum of Time – measuring time accurately The XIPS Challenge – how fast does Excel calculate? But rather than focus exclusively on how to … Continue reading

Posted in Calculation, Uncategorized | Tagged , , , | 1 Comment

2014 in review

The WordPress.com stats helper monkeys prepared a 2014 annual report for this blog. Here’s an excerpt: The Louvre Museum has 8.5 million visitors per year. This blog was viewed about 120,000 times in 2014. If it were an exhibit at … Continue reading

Posted in Uncategorized | 4 Comments

Stacking (Appending) Arrays/Ranges in Excel: Formulas versus Functions Shootout

This post is a follow up to my last post Using Constant Arrays and Expressions in Excel Formulas. I will explore how some of the general purpose array-handling functions in FastExcel SpeedTools Extras compare with formulas using native Excel functions. … Continue reading

Posted in arrays, Calculation, Lookups, Uncategorized, XLL | Tagged , , , , , , , | 4 Comments

Once in-a-lifetime Bordeaux wine Tasting: This time we made it!

Last year we had this once-in-a-lifetime wine tasting scheduled: but it did not happen. (see the ones that got away) This year we finally got our various acts together and had a terrific evening! The Wines The line-up was fantastic: … Continue reading

Posted in Uncategorized, Wine | Leave a comment