Observed arrival · 2026-10-20
Open Semester: Linear Algebra, week by week
Open Semester presents free university courses, beginning with a structured Linear Algebra course of lectures, recitations, a course book, problem sheets, and worked solutions.
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◉Human
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- For
- Independent learners studying university-level mathematics
- Worth noticing
- The site says every on-screen calculation is checked against written solutions; course materials carry a CC BY-NC-SA 4.0 license.
Field notes
The listed Linear Algebra course is organized as 13 weeks, with 52 lectures, 13 recitations, a course book, and 13 problem sheets with worked solutions; the homepage marks weeks 1–5 available. The site says calculations shown on screen are checked against written solutions, and its course materials use the CC BY-NC-SA 4.0 license. It says no account or paywall is required, and that progress stays in the visitor’s browser.
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○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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