Monthly Archives: December 2015

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 What-If Data Tables: Faster calculation with VBA

For some reason this year I keep on meeting Excel’s What-If Data Tables. These are used (often in real estate and financial valuation models) to simplify doing sensitivity analysis against a range of values for certain inputs such as interest … Continue reading

Posted in arrays, Calculation, VBA | 3 Comments

Excel Full Column References and Used Range: Good Idea or Bad Idea?

Some people love using full column references such as A:A, other people say they slow down your workbook to a crawl and lead to workbook and memory bloat. The attraction of using whole column references is that you don’t have … Continue reading

Posted in arrays, Calculation, Formatting, Memory | 5 Comments

Timing Calculation Consistently: Windows Update/Background Process Woes

Last Friday  4 December 2015 I was presenting a session at the Modeloff Global Training Camp in London. The session was “How to make your Excel workbooks calculate faster”, and so it involved demonstrations of timing formula calculation. No problem … Continue reading

Posted in Calculation | Leave a comment