Category Archives: Uncategorized

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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Updates on Active Calculus Multivariable

We are excited to bring you some news about Active Calculus – Multivariable. First, Nick Long and I have taken over primary responsibility for this text, as Steve Schlicker is beginning retirement. We are grateful for the foundation that Steve … Continue reading

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Welcome to the updated activecalculus.org

Welcome to the redesigned activecalculus.org, including this new location for the blog that was formerly hosted at https://opencalculus.wordpress.com/.

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PreTeXt, Runestone, and the exciting future of open textbooks

In late June, I was fortunate to attend a week-long UTMOST workshop in Ann Arbor that brought together education researchers, PreTeXt developers, Runestone developers, and textbook authors. The newest part to me was learning more about Runestone. Runestone Academy was … Continue reading

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Active Calculus is Turning 10

“The days are long but the decades are short.” That’s one of my favorite quotes about the nature of time and life, written in 2015 by a then-30-year-old! Ten years ago in early August 2012, I wrote this post that … Continue reading

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Screencasts for Active Prelude to Calculus

My GVSU colleague Mandy Calvillo has developed a fantastic resource for students and instructors using Active Prelude: a YouTube library of 122 (!) short videos that offer additional perspective and explanation on key ideas in the text. The videos are … Continue reading

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A new free mathematics journal

Interesting read here: http://www.forbes.com/sites/kevinknudson/2016/04/30/the-future-of-mathematics-publishing-an-interview-with-sir-timothy-gowers/#5d41b5a52467 I’m mainly posting this so I have a record of it, but there’s lots of similarity between what Gowers says about his journal and what we say about free textbooks.

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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. … Continue reading

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AIM Workshop on Open Textbooks

Very excited to be at the American Institute of Mathematics in San Jose, CA, to spend a week at the workshop on free & open textbooks, MathBook XML, and all sorts of emerging options.  Three things are totally clear from … Continue reading

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