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Browse apps with Geometry Expressions Source Files ~~~ Browse Apps with TI-Nspire Versions
Ferry Problem
Investigating Integrals through Polygons
The Idea Behind Integrals
Two ways of finding the Fermat Point
Circle Envelope (Hyperbola)
Geometric Top View Model of the Twisted Savonius Wind Turbine (Interactive)
area under curve
Oil Pipeline Problem
Hyperbola Generalization
Tangent Lines
Proposition 1
Parabola Parametrization
Maximum Area Triangle
Locus of intersection of reflected rays
Even and Odd Functions With a Tangent Twist
Susino_Applet3
Two Pendulums
Ball Throw Modeled with Mechanical Expressions
Derivative
Caustic curve as focus of parabola
4 bar linkage pendulum
Ellipse Parametrization
Example: A Second Look at Euclid's Equilateral Triangle
Circle Equation
Newton Raphson 3 iterations
watts up
Inverted Trammel 2
Nicomeded Conchoid Apparatus
Gabbi's App
If a Tree Grows in a Forest
Circle isotomic
Tangent to a Function
Circles, Tangents and Nonagon Diagonals
Quick Return Mechanism
Steiner Ellipses
Rotating Ellipses with Arcs
Limit Derivation of PI
Simpson Line
Ellipse as locus of circle center
Convex Concave
Circle in a trapezoid
A Locus Problem
Example: Cosine Rule Assessment
Kaleidoscope clock
And the envelope please...
Jeep Wheeling Trip
Slope
The Cosine Function
Function Product Challenge 1
Planet Orbit
Morph a circle into a square
Derivative Calculator
Four Bar Mechanism for Intermittent Drive
Minimum Perimeter Inscribed Triangle
Abacus Corrected
Morphing Clock
Derivative
Least Square Linear Regression
Reflection in a circle
Morley's Theorem
Distributive Property
Euclid Book 6 Proposition 15
Quadratic Zeros II
Example: Pictures
Combination of Reflections through Parallel Lines
Beat the Brachistochrone
Quadratic Zeros
Miller_Applet 3
Least Squares II
Elliptical clock
Normal Distribution
4 Bar Linkage Kinematics
Pythagorean Theorem Calculator
involute clock rotated
Caustic Formation
A Ladder Problem
Like Terms I
Euclid 1:47
Mechanical Location of the Fermat Toricelli Point
Cosine Rule
Abacus Explained Properly
Door Which Opens Both Ways
Scotch Yoke
5 bar toy variable radius
Dilation
cosine rule test
Circle Involute Gear Pair
Example: Euclid's Equilateral Triangle
Euclids Elements - Book 2 - Proposition 14
Euclids Elements – Book 3 – Proposition 08
Three Body Problem
Example: Draggable Point on a Locus
Proof by Shear Transformation
Pythagoras generalization
velez_aplet2
Cam with reciprocating roller follower
Vertical Shift
Archimedes Angle Theorem
Function composition challenge 6
Euclid Book 1 Proposition 36
Cubic Spline
Curve Area
Euclid Book 1 Proposition 38
Miller_Applet 4
unnamed2
Two Circle Trace
Demo
Garfield's Proof
Inverse Function Slope Relation
Simple Similar Triangles
Euclids Elements - Book 3 - Proposition 14
Regiomontanus Problem
The Three Primary Types of Wind Turbine, Animated as if in Operation (small)
Function composition challenge 5
Polar Proportional Point and Circle Puzzler 3
Double Transforming Pentagons
Caustic Cusps
Cam Clock
Sinusoidal Tangent Mirrors
Combination of Reflections through Oblique Lines
Heptagon
Four Bar Linkage
Vector Combinations and Span
Alternate Ellipse Construction
Largest Outscribed Equilateral Triangle
Basic Unit Circle
Alternate Hyperbola Construction
Serum Cortisol Concentration (mmol/L)
Least Squares
Trapezoidal Sum Rule
Vector Addition
incircle radius
Spline Clock
circle intersections
Morph a circle into a line
September Problem
Example: Altitude of a Triangle
The Ocean
Euclids Elements - Book 4 - Proposition 15
Taylor series
Pythagoras' Proof
Bhaskara’s Proof
Crank Slider
Circle Envelope
Scotch Yoke
Catastrophe
Coffee Cup Caustic
Proposition 3
Minimum Inscribed Perimeter
Conic through 5 points
Miller_Applet 1
Scotch Yoke with Parameters
A Three Body Problem
Minimum Inscribed Perimeter 2
Parabola Polar Line
Epic Circle Trace 2
Combining Like Terms II
Wheeled Trebuchet
Golden Section Construction
A Ladder Problem
Offcenter Cam*
The Relationship Between Position and Velocity
Euclids Elements – Book 1 – Proposition 47
Parabola Caustic
Hyperbola Definition
A Second Look at the Four Bar Linkage
trapezoid field
Inverted Pendulum
Reflection Clock
Angle Bisector
Simple Chaos Machine
Tangential Circles
Taylor series
Coffee Cup Caustic
Circle Radius and Proportional Position Puzzler
Cycloid is the Brachistochrone
Circles, Tangents, and Heptagon Diagonals
Polar Point Parabola
Watt's Linkage
Rotating Cube
Angle Bisector
Moving point
Equilibrium
Area of a Parallelogram
Euclid Book 6 Proposition 19
A path round an elliptical pool
Cevians
Planet's Orbit by Emily Walker
Vertical Dilations
Similar Triangle Incenter
Ellipse Isotomic
Tchirnhausen's Cubic
Derivative Test Concepts
A lemma of Archimedes
four bar coupler curve
Weighted sum of distances
Euclids Elements – Book 1 – Proposition 22
binary clock
Tautochrone
Quartic Bezier Curve
Piano Moving 2
Circle isotomic and Conchoid
Example: Graphical Calculus Practice
Calc is FUN!
Ellipse Equations
Function Product Challenge 3
Box Solar Cooker
Bezier curvature
The Goat and the Silo
Running For Miles
Euclid Book 1 Proposition 37
Dreamcatcher
Triangle Support Reaction Assessment App
Parabola Generalization
Pipeline Problem
October Problem
Parabolic Reflector
A Path round an elliptical pool
Pirate Treasure
Prop33
Polar Point Ellipse
Ellipse Reflection Property
Projectile High Point
Parabola Subnormal
Proposition 2
Example: Area of a Triangle
Lifeguard Problem
Parabola string art
Binary Test
Function composition challenge 3
Residual Plots II
Nicomedes Construction for Cube Root
Euclids Elements - Book 1 - Proposition 01
Function composition challenge 2
Point on a Parametric Curve
Ellipse Definition
Symmetric Antisymmetric Parts
pool construction
Area Under a 4 bar linkage
Twisted Savonius Wind Turbine Full Geometric Model (without traces/surfaces)
Hypocycloid
Fourier Series
Euclids Elements – Book 1 – Proposition 42
Projectile Focus
Euclid Book 2 Proposition 11
Offcentered Circular cam with a flat face reciprocating follower
parabola envelope
Regiomontanus Problem
Parabola and catenary
Euclids Elements - Book 1 - Proposition 45
