Author Archives: Matt Boelkins
APC: updates for Fall 2026
I’m pleased to share several news items related to Active Prelude to Calculus. Changes for Fall 2026 Active Prelude, available at https://activecalculus.org/prelude/, has been updated to resolve any reported errors. In addition, some of the activities have been updated slightly … Continue reading
Posted in precalculus, Publicity, Publishing, Resources, updates
Tagged precalculus, resources, technology, textbooks
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ACS2E: additional version with new and improved previews and exercises
I’m delighted to announce that a new, additional version of the 2nd edition of Active Calculus Single Variable is now publicly available on Runestone: Active Calculus with Doenet. The only differences are found in the preview activities and exercises; all … Continue reading
Posted in calculus, inquiry-based learning, Publishing, Resources, Software, Teaching
Tagged calculus, free, open source, resources, technology
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print versions of ACS2E workbooks now available for purchase
Thanks to our publisher, 619 Wreath, bound print versions of each of the 2nd Edition workbooks for Active Calculus Single are now available. See https://www.619wreath.com/store/p55/active-calculus-second-edition-workbooks.html. The main textbook remains continues to be available in print at https://www.619wreath.com/store/p45/active-calculus-second-edition.html. The ACS2E landing page has also been … Continue reading
Posted in calculus, learning, Publishing, Resources
Tagged activities, calculus, resources
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print version of ACS2E is now available for purchase
Thanks to our friends at 619 Wreath Publishing, there’s now a bound print version of Active Calculus Single Variable 2nd Edition available for purchase, in both paperback ($38) and hardcover ($48). Bound versions of the ACS2E activities workbooks are forthcoming … Continue reading
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Image descriptions (alt-text) to comply with WCAG 2.1
The deadline to meet the Web Content Accessibility Guidelines (WCAG) 2.1 Level AA standard is late April 2026. Thanks to PreTeXt (the authoring platform in which our books are written), the text in Active Prelude, Active Calculus, and Active Multi … Continue reading
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Printable worksheets for activities in ACS2e and APC
Thanks to a recent PreTeXt development, all Preview Activities and Activities in both ACS2e and APC can be printed in PDF directly from the HTML version. For example, if you look at Activity 1.5.2 in ACS2e, you’ll see a printer … Continue reading
Posted in Publishing, Resources, Teaching
Tagged activities, calculus, resources
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Updated ancillary resources for Fall 2025
See the note at https://activecalculus.org/instructors/ that takes you to the instructors’ Google group for more information and links to various resources.
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Active Calculus Single – 2nd edition is available
I’m delighted to share that the 2nd edition of AC-Single has now been officially released in HTML and PDF: you can learn more at the landing page for this edition of the text at activecalculus.org/acs2e/, with the HTML version at … Continue reading
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Active Calculus (Single) – updates for Fall 2025
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
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Tagged calculus, text
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New workbooks: now with space between prompts
I’m excited to announce a change in the layout of the workbooks for Active Calculus (Single) and Active Prelude. Thanks to some recent developments in the PreTeXt worksheet environment and especially thanks to Mitch Keller’s technical expertise and production genius, … Continue reading
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Tagged calculus, online, open source, resources
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