She didn’t want to write another expensive, locked-down textbook. She wanted a living one. That night, she created a new repository on GitHub: linalg4everyone .
Then she waited.
For three years, she had taught Math 217: Introduction to Linear Algebra. Her textbook was a brick—dense, grey, and terrifying. It began with determinants and ended with students crying in her office hours. "This is beautiful," she would say about vector spaces. "You just have to see it."
She didn’t want to write another expensive, locked-down textbook. She wanted a living one. That night, she created a new repository on GitHub: linalg4everyone .
Then she waited.
For three years, she had taught Math 217: Introduction to Linear Algebra. Her textbook was a brick—dense, grey, and terrifying. It began with determinants and ended with students crying in her office hours. "This is beautiful," she would say about vector spaces. "You just have to see it."
She pushed it to GitHub under an open license.
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