Concept graph
19,904 nodes and 58,517 links across the shelf (graph.json). The view starts with the concept layer: books, chapters and the concepts, theorems, methods, laws, quantities, units, instruments, experiments and people they teach. Drag to turn it, scroll to zoom, and tap a node to name it and reach its page.
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The same data, as text
Each book's index of terms lists what it teaches and where:
- Mathematical Recreations and Essays
- Elements of Plane Trigonometry
- A First Book in Algebra
- Elementary Illustrations of the Differential and Integral Calculus
- First Course in the Theory of Equations
- A Course of Pure Mathematics
- Vector Analysis and Quaternions
- An Elementary Treatise on Electricity
- Treatise on Thermodynamics
- Solid Geometry with Problems and Applications
- Calculus Made Easy
- Spherical Trigonometry, for the Use of Colleges and Schools
- The First Steps in Algebra
- Plane Geometry
- An Introduction to Mathematics