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Convex / Concave Lens
Author:
Jonathan Mok
This is an applet that allows you to explore how an image of a near object is formed by a convex / concave lens. - Drag to move the object and the focus - Shift + drag to move the sheet - Shift + roll to zoom
GeoGebra
New Resources
Parallelograms: Quick Investigation
Icosahedron1
Explore the invariant lines of matrix {{-2,5},{6,-9}}
alg2_05_05_01_applet_exp_flvs
Blancmange curve (fractal)
Discover Resources
Manipulating y = ax^2
Inversion
spongebob
การบวกจำนวนเต็ม
notes 2 11/19/11
Discover Topics
Matrices
Real Numbers
Confidence Interval
Vectors 2D (Two-Dimensional)
Power Functions