Search
-
Recent Posts
- VBA Corruption Registry Fix
- Sheet Calculate Change
- Python in Excel: Python User Defined Functions
- Python in Excel: Controlling Python Calculation
- Python in Excel: How do Excel and Python Formulas Work Together?
- Python in Excel: PY Calculation, Globals & Co-Volatility
- Python in Excel: Round-Tripping Gotchas
- Manual Calculation No Longer Viral!
- Only Calculating the Active Workbook
- Excel Screen-updating Performance Comparison.
Recent Comments
Jim on VBA Corruption Registry F… fastexcel on VBA Corruption Registry F… Jean-Michel DITNER on VBA Corruption Registry F… Sandeep Kothari on Short-circuiting Excel Formula… Sandeep Kothari on Short-circuiting Excel Formula… Veit Stimpfl on Excel Memory Checking Tool: Us… fastexcel on Short-circuiting in Array… Sergei on Short-circuiting in Array… Post Archive
- February 2024 (2)
- November 2023 (4)
- October 2023 (1)
- March 2023 (2)
- January 2023 (3)
- October 2020 (1)
- July 2020 (1)
- February 2020 (1)
- May 2019 (2)
- January 2019 (1)
- July 2018 (2)
- January 2018 (1)
- September 2017 (1)
- April 2017 (2)
- March 2017 (4)
- February 2017 (1)
- December 2016 (1)
- November 2016 (3)
- October 2016 (2)
- July 2016 (1)
- April 2016 (1)
- February 2016 (1)
- December 2015 (4)
- November 2015 (2)
- September 2015 (2)
- May 2015 (2)
- February 2015 (1)
- January 2015 (2)
- December 2014 (1)
- November 2014 (2)
- October 2014 (3)
- September 2014 (2)
- August 2014 (2)
- June 2014 (1)
- April 2014 (1)
- February 2014 (1)
- January 2014 (3)
- December 2013 (2)
- November 2013 (4)
- October 2013 (6)
- September 2013 (4)
- February 2013 (3)
- January 2013 (3)
- December 2012 (4)
- November 2012 (2)
- October 2012 (2)
- September 2012 (1)
- July 2012 (6)
- June 2012 (7)
- April 2012 (1)
- March 2012 (2)
- February 2012 (1)
- January 2012 (3)
- December 2011 (1)
- November 2011 (3)
- October 2011 (2)
- September 2011 (2)
- August 2011 (1)
- July 2011 (4)
- June 2011 (8)
- May 2011 (4)
Categories
Blogroll
RSS
Blog Stats
- 1,327,330 hits
- Follow Excel and UDF Performance Stuff on WordPress.com
Monthly Archives: February 2012
Writing efficient VBA UDFs Part 10 – Volatile Functions and Function Arguments
I just realised that none of my previous 9 posts on writing efficient VBA UDFs has discussed when and why you should make Functions Volatile. Since that’s fairly fundamental I really should have covered the topic early in the series … Continue reading
Posted in Calculation, UDF, VBA
19 Comments
Excel and UDF Performance Stuff 