What are the best free study resources and open-source textbooks for preparing for Ph.D. qualifying exams without spending a fortune?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the best free study resources and open-source textbooks for preparing for Ph.D. qualifying exams without spending a fortune?
3 real searches · 1 real-search pass
free open textbooks graduate mathematics physics computer science biology economics qualifying exam resources MIT OCW past examsGoogle ↗
OBSERVED
open access graduate textbooks mathematics physics computer science statistics biology economics university repositoriesGoogle ↗
OBSERVED
PhD qualifying exam past exams mathematics physics computer science university archives freeGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 3 queries…
Searches and sources
ChatGPT3 real searches · gpt-6
free open textbooks graduate mathematics physics computer science biology economics qualifying exam resources MIT OCW past exams Google ↗
open access graduate textbooks mathematics physics computer science statistics biology economics university repositories Google ↗
PhD qualifying exam past exams mathematics physics computer science university archives free Google ↗
- Explore MIT OpenCourseWare · ocw.mit.edu
- Browse free OpenStax textbooks · openstax.org
- Explore LibreTexts · libretexts.org
- Explore Stanford Engineering Everywhere · see.stanford.edu
- Explore NPTEL · nptel.ac.in
- free online edition · linear.axler.net
- free MIT textbook · courses.csail.mit.edu
- free textbook · openstax.org
- publisher information · pearson.com
- free textbook · openstax.org
- free online edition · feynmanlectures.caltech.edu
- free notes · damtp.cam.ac.uk
- exam preparation · physics.mit.edu
- free online book · opendatastructures.org
- free textbook · jeffe.cs.illinois.edu
- free online textbook · diveintosystems.org
- free official website · statlearning.com
- free official PDF · hastie.su.domains
- free online book · allendowney.github.io
- author's book resources · probml.github.io
- free textbook · openstax.org
- NCBI Bookshelf · ncbi.nlm.nih.gov
- free course materials · ocw.mit.edu
- CORE Econ · core-econ.org
- OpenStax · openstax.org
- browse social science and humanities books · open.umn.edu
- University of Iowa exam archive · math.uiowa.edu
- MIT Physics Graduate Student Council resources · physics-gsc.scripts.mit.edu
- Website · gutenberg.org
- Website · doabooks.org
- Website · arxiv.org
- Website · open.umn.edu
- Website · oercommons.org
- Website · scholar.google.com
- UMass Boston's OER guide · umb.edu
- Finding OER - Open Educational Resources (OER) · guides.libraries.indiana.edu
- Free Open Access Resources · tap.usf.edu
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
free open textbooks graduate mathematics physics computer science biology economics qualifying exam resources MIT OCW past exams OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
open access graduate textbooks mathematics physics computer science statistics biology economics university repositories OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
PhD qualifying exam past exams mathematics physics computer science university archives free OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |