➕ Vectors
Chapter 2 · 4 simulations — tap one to open it.
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Chapter 2
Vector Resultant & Components
Add two vectors, see the resultant and split a vector into components.
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Chapter 2
River–Boat (Relative Velocity)
Cross a river three ways: shortest time, shortest path and a 45° heading.
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Chapter 2
Dot & Cross Product
Two vectors, one angle — see A·B (projection) and A×B (parallelogram area).
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Chapter 2
Gradient, Divergence & Curl
Visualise the ∇ operator on scalar and vector fields — slope, source/sink and swirl.