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VectorForge

Linear algebra you can see, for ages 15–18. A 2×2 matrix is a transform of the plane — rotate, stretch, shear, reflect, flatten. Predict where a point lands, then watch the matrix move a shape: the determinant is how much it scales area, and the eigenvectors are the directions that don't turn. The on-ramp to the maths behind AI — a matrix is a neural layer. On-device, exact arithmetic.

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Built for sittings of about 25 minutes on the screen. That is our design budget, not a measurement.

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Live CCSS Math HSN.VM.C.11 CCSS Math HSN.VM.C.12 CCSS Math HSN.VM.C.8 Hero color: #5b4b9c
Engagement: Modes pending

What's inside

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Learning goal

Linear algebra you can see, for ages 15–18. A 2×2 matrix is a transform of the plane — rotate, stretch, shear, reflect, flatten. Predict where a point lands, then watch the matrix move a shape: the determinant is how much it scales area, and the eigenvectors are the directions that don't turn. The on-ramp to the maths behind AI — a matrix is a neural layer. On-device, exact arithmetic.

How VectorForge handles your kid's data

  • ✅ All progress, settings, and AI-generated content stays on the device
  • ✅ No analytics, no tracking, no third-party SDKs
  • ✅ Free — no ads, no in-app purchases
  • ✅ No personal information collected from children — in line with COPPA (updated by the 2026 FTC amendments)
  • ✅ No chat with strangers — play-together rooms use a short code and preset emotes, never typed messages

Full parent privacy guide →

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