Category Publicity

Active Calculus: usage statistics

One of the superb librarians at GVSU who manages the site that hosts AC sent me access to a dashboard that reveals a lot of interesting user data. For example, after GVSU, the 10 locations/institutions that have downloaded AC most are: Westmont College Foothill-DeAnza Community College District University of Redlands Keene State College St Ignatius […]

Active Calculus (Single Variable): 2016 Edition now available

It’s August (and Mathfest!), so time for an annual update to AC. I have fixed every known error in the 2015 version and have implemented nearly all of the requests/suggestions that users sent me over the past year. The new version of the PDF is now available in the usual location at (you may need […]

Last day at AIM: meet some of my new friends

One of the very best parts of the workshop this week has been the time I’ve gotten to spend with the people here, some of whom I had followed online or traded email with, but never met in person.  Others I had talked with briefly at conferences, and of course there are a couple of […]

More from AIM: developments in free & open math texts

So much to share, so just going to go with a bulleted list for now.  Hope to flesh out more over the coming months. The American Institute of Mathematics is a cool place and they have an excellent organizational scheme.  About 30 of us with shared interests are fully funded to be here for the […]

Screencasts for Active Calculus

In a recent post, I highlighted several different resources available to go along with Active Calculus.  I realized yesterday that I omitted a key one, one for which there have been recent additions. The Math 201 playlist on the GVSU Math YouTube Channel has now been around for awhile, with 92 videos and almost 65,000 views. […]

Active Calculus: Single Variable, 2015 Version now available

This summer, in addition to working with Steve and David on AC3, I went through the original single-variable version and implemented changes to correct typos, clarify questions, and more in response to over 100 suggestions I received from users.  To all of you who sent those to me:  thank you. I’m pleased to say that […]

Active Calculus – Multivariable: initial public offering

Steve, David, and I are pleased to announce that a first public version of Active Calculus – Multivariable is now available for download.  You can find the file directly at, or from the general Active Calculus site. If you are interested in the source files, please email me at boelkinm at gvsu dot edu. Finally, a […]