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Browse apps with Geometry Expressions Source Files ~~~ Browse Apps with TI-Nspire Versions
Cycloid is the Brachistochrone
Example: Draggable Point on a Locus
Circle isotomic and Conchoid
Point On A Circle
Morph a circle into a line
A geometry theorem
Example: Clock
Catastrophe
Euclids Elements – Book 1 – Proposition 22
binary clock
Elliptical clock
Ellipse Generalization
Ellipse Incenter Locus
I beam
Morphing Clock
giraffe graph
involute clock
String Art
four bar coupler curve
Abacus Corrected
Quadratic Zeros II
Example: Pictures
The Three Primary Types of Wind Turbine, Animated as if in Operation (small)
supertrammel
Ellipse Reflection
Projectile Focus
Area of a Trapezoid
Combining Like Terms I
Area of a Parallelogram
4 Bar Linkage Kinematics
Euclids Elements - Book 3 - Proposition 14
Pappus Chain
Caustic curve as focus of parabola
Focal Triangle
The point which minimizes weighted sum of distances to triangle's vertices
Nicomedes Conchoid Clock
If a Tree Grows in a Forest
Pipeline Problem
Least Squares
Inverse Function Slope Relation
Pedal Triangles
Function Composition
Rolling Parabola
Hypocycloid
Basic Unit Circle
Cardioid Clock
Lifeguard Problem
Area Under a 4 bar linkage
The Sine Function
Circle Envelope (Hyperbola)
reflected clocks
Two ways of finding the Fermat Point
First and second derivatives!
N-Gon Approximating a Circle
Conveyor Belt*
Abacus Explained
Hyperbola Definition
Stationary Trebuchet
Euclid Book 6 Proposition 1
Similar Triangle Incenter
Alternate Hyperbola Construction
Bezier curvature
Protractor
Cosine Rule
Pendulum Spring Mass
Derivative
Four Bar Linkage
Proposition 2
Piano Moving 2
Optimal Performance of Box Solar Cooker
The Goat and the Silo
Hyperbola Generalization
parabola envelope
Ellipse Isotomic
The Cosine Function
Dreamcatcher
A Second Look at the Four Bar Linkage
Euclid Book 1 Proposition 36
Combination of Reflections through Oblique Lines
A Chaotic Flywheel
Demo
cosine rule test
Ellipse Parametrization
Miller_Applet 2
Circles, Tangents, and Heptagon Diagonals
Pythagorean Theorem Calculator
Pirate Treasure
Proof by Shear Transformation
Example: A Second Look at Euclid's Equilateral Triangle
Zipline Design
trapezoid field
Inverted Trammel
Cycloid Clock
Residual Plots II
Area Between The Curves
Euclid Book 1 Proposition 38
Example: Altitude of a Triangle
Crank Slider
Discovering Pythagoras
Beat the Brachistochrone
Circle isotomic
Steiner Ellipses
Limit Derivation of PI
A triangle from medians
Euclids Elements – Book 4 – Proposition 11
A path round an elliptical pool
Function composition challenge 1
Inverted Pendulum
Lecture11-DerivativeOfALine
Basic Derivatives
Euclids Elements – Book 1 – Proposition 42
Squeezing Twisted Savonius Wind Turbine Model
Combination of Reflections through Parallel Lines
Ball Throw Modeled with Geometry Expressions
Tridecagon Diagonals, Circles and Tangents (BIG)
Pool reflections
Ferry Problem
Even and Odd Functions With a Tangent Twist
Two Pendulums
Pythagoras' Proof
Tangent to a Function
Ellipse Reflection Property
Rotating Ellipses
Simple Chaos Machine
September Problem
Euclids Elements – Book 3 – Proposition 08
Hyperbola Equations
Derivative
Watt's Linkage
Square as a Sum
Crazy Clock
Caustic Cusps
Vector Addition
Derivative
Door Which Opens Both Ways
Euclids Elements - Book 2 - Proposition 14
A Path round an elliptical pool
Cosine Rule
Parabola Tangent Circumcircle
Archimedes Angle Theorem
Euclid Book 1 Proposition 37
Rotating Ellipses with Arcs
Quartic Bezier Curve
Euclid Book 6 Proposition 15
Residual Basics
Proposition 3
Triangle Areas
Piano mover's problem
Area Under Sine (draggable)
Demo
unnamed2
Simple Similar Triangles
Sliding Ladder Problem
Focus Directrix Parabola
Circle Radius and Proportional Position Puzzler
Ball Throw Animation
A Ladder Problem
Maximum range on a slope
Kaleidoscope clock
The Difference of Two Circles Is A Line
Tangents to Polar Functions
Apparent Plane Speeds
Tangent Lines
Polar Proportional Point and Circle Puzzler
Offcentered Circular cam with a flat face reciprocating follower
Ellipse Definition
Function composition challenge 3
Simpson Line and 9 point Circle
Caustic Formation
A Ladder Problem
Spline Approximation
Planet's Orbit by Emily Walker
Double Transforming Pentagons
Four Bar Linkage
Pattern drawing toy
Scotch Yoke
5 bar toy variable radius
The Tangent Function
Archimedes Twins
Residual Plots
Prop25v2
Cam with reciprocating roller follower
Tilted clock
Drive in Movie Problem
A Locus Problem
Hyperbola Polar Line
Parabola Polar Line
Coffee Cup Caustic
Four Bar linkage with line
Ball Throw Modeled with Mechanical Expressions
Equilateral triangle construction
Chord Angle Theorem
Kaleidoscope
Hendecagon Diagonals, Circles and Tangents
Golden Ratio
Incircle Radius
Minimum Distance Explained
Minimum Perimeter Inscribed Triangle
Caustic Cusps
Nicomedes Construction for Cube Root
Gear pair
Sinusoidal Tangent Mirrors
Heptagon
Three Body Problem
Epic Circle Trace 3
Tautochrone
Taylor series
Morley's Theorem
DG flower
Offcenter Cam*
area under curve
Minimum Inscribed Perimeter
Ellipse Equations
Exterior Angles of a Triangle
Hex Flower
Simplifying Expressions
Relationship of Calculus and Golf
Ellipse as locus of circle center
Epicycloid
Square wheeled bicycle
Miller_CCSS7G1
Alternate Ellipse Construction
proof without words
Newton Raphson 3 iterations
Not a spline
Euclid Book 6 Proposition 31
Function composition challenge 5
hyperbolic clock with explanation
Binary Abacus
Paucellier's linkage
Maximum Perimeter Triangle
Polar Line
Least Squares Regression
Wheeled Trebuchet
Parabola Parametrization
Tangent Triangle
Safeway Sales App (Josh Moffat)
Pascal's Limacon
Reflection Composition 2
Circle Involute Gear Pair
Oil Pipeline Problem
Least Squares II
Euclid Book 6 Proposition 8
Spin the Chrome Icon!
Cyclic Quadrilateral Theorem
Parabola Generalization
Inverted Trammel 2
Vertical Dilations
Horizontal Dilations
Circle Involute
