Category Archives: Publicity

Active Calculus (Single) – updates for Fall 2025

Posted on July 22, 2025 by Matt Boelkins

Several important changes are coming to Active Calculus (Single Variable) in time for the Fall 2025 semester, including a new Second Edition; at the same time, the current versions will remain fully available for the foreseeable future. If you are … Continue reading →

Posted in Publicity, Publishing | Tagged , | Comments Off on Active Calculus (Single) – updates for Fall 2025

Three notes about updated HTML for APC and ACS

Posted on August 27, 2023 by Matt Boelkins

For all Active Calculus texts, users should always view the HTML version of each as the definitive version: the HTML is easiest and fastest to update. You can always see the last date the HTML was updated by going to … Continue reading →

Posted in Editing, Publicity, Publishing | Tagged , | Comments Off on Three notes about updated HTML for APC and ACS

Two free, open calculus texts for specialized audiences

Posted on August 15, 2023 by Matt Boelkins

If you are teaching a class titled something like “Business Calculus” or “Calculus for the Biological Sciences” anytime soon, this post is for you. Mike May and Anneke Bart of Saint Louis University have an excellent text for business calculus, … Continue reading →

Posted in calculus, Modeling, Publicity, Resources | Tagged , , , , | Comments Off on Two free, open calculus texts for specialized audiences

Active Calculus news and updates for Fall 2023

Posted on August 2, 2023 by Matt Boelkins

The summer of 2023 has been an exciting time of new developments and opportunities related to Active Calculus. In this post I’ll offer a short overview of the biggest items, and then offer more details in subsequent posts. View this … Continue reading →

Posted in General, Publicity, Resources, updates | Tagged , , , | Comments Off on Active Calculus news and updates for Fall 2023

Fall 2022 reminders and updates

Posted on September 6, 2022 by Matt Boelkins

A list of things you might find helpful if you are teaching or learning from APC, ACS, or ACM: + Updated HTML There have been minor updates to the HTML for APC and ACS. These are almost all tiny and … Continue reading →

Posted in General, Publicity, Resources, Teaching | Tagged , , | Comments Off on Fall 2022 reminders and updates

Back to school updates for Active Prelude, Active Single, and Active Multi

Posted on August 21, 2020 by Matt Boelkins

Here is my just-in-time post for back to school, Fall 2020 Edition. Overall: The two main things to know about the Active Calculus textbooks (Active Prelude to Calculus (APC), Active Calculus Single Variable (ACS), and Active Calculus Multivariable (ACM)) are … Continue reading →

Posted in General, Publicity, Resources | Tagged , , , , | Comments Off on Back to school updates for Active Prelude, Active Single, and Active Multi

Google groups for Active Calculus

Posted on January 5, 2020 by Matt Boelkins

I’m launching two groups for information about the Active Calculus texts:  https://groups.google.com/forum/#!forum/active-calculus-announce, where there will be infrequent posts announcing new editions and features, and https://groups.google.com/forum/#!forum/active-calculus-users, which is a forum for instructors who use (or are considering using) the text. At … Continue reading →

Posted in General, Publicity, Resources, Teaching | Tagged , | Comments Off on Google groups for Active Calculus

PreTeXt & the Future of Textbooks

Posted on December 6, 2019 by Matt Boelkins

Rob Beezer’s free, open authoring platform PreTeXt is what enables the fantastic HTML output for Active Calculus and so many other free, open textbooks. As part of my work with the PreTeXt Advocacy Group (Sally Koutsoliotas, Jennifer Nordstrom, Bruce Yoshiwara, … Continue reading →

Posted in Publicity, Software | Tagged , , , | Comments Off on PreTeXt & the Future of Textbooks

Active Calculus 2019 updates

Posted on July 31, 2019 by Matt Boelkins

I’m excited to share several important updates: 1. new landing page at https://activecalculus.org 2. updated versions of Active Calculus (single variable, 2018 edition) in HTML, PDF, and print (with updated activities workbooks [1-4], [5-8], too) 3. updated version of Active Prelude … Continue reading →

Posted in precalculus, Publicity, Publishing, Resources, Teaching, updates | Tagged , , , , , | Comments Off on Active Calculus 2019 updates

Active Preparation for Calculus

Posted on January 2, 2019 by Matt Boelkins

[August 2019 update: I re-named the text “Active Prelude to Calculus” as part of recent summer 2019 editing.  I won’t change the title again :-).  All else below still applies, with updated links.] Back in May, I wrote of my … Continue reading →

Posted in precalculus, Publicity, Publishing, Resources | Tagged , , , , | 4 Comments