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Old Dominion University
Introduction to Calculus
This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...
CK-12 Foundation
Ck 12: Interactive Geometry: 1.12 Cross Sections of Solids
See how the cross-sections of solids relate to their shapes.