Michael Kenyon’s students at Green River Community College used to pay nearly $200 for a new pre-calculus textbook. But this quarter, they’ll pay only $20 for a book — or use it online for free.
Allow me to make a shameless plug for a very cool project currently underway by my GVSU colleague Matt Boelkins. He is writing a free, open-source calculus textbook that will be available in PDF form ...
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