Richard Evan Schwartz
Java Applets
Applet 1:
words on a black background
Applet 2:
triangle on a black background
Applet 3:
triangles, lines, and disks
Applet 4:
click on a triangle to change its color
Applet 5:
Applet 4 with double buffering
Applet 6:
click on a shape to change its color
Applet 7:
move a square with buttons
Applet 8:
move a square by clicking on it
Applet 9:
checkerboard with 3 pieces
Applet 10:
move a pentagon by clicking on it
Applet 11:
layout for "Lucy and Lily"
Applet 12:
Lucy and Lily (medium screen)
Applet 13:
Lucy and Lily (small screen)
Applet 14:
Lucy and Lily II
Applet 15:
iterated barycentric subdivision
Applet 16:
coloring by square subdivision
Applet 17:
expanding disk
Applet 18:
moving rectangles
Applet 19:
crawling bug
Applet 20:
4 moving circles
Applet 21:
spinning gears watch the cursor
Applet 22:
click to summon a tadpole
Applet 23:
3 tadpoles and a spinning gear
Applet 24:
4 dots paint rectilinear regions
Applet 25:
twinkling star
Applet 26:
rational orbits on a torus
Applet 27:
one view of the Euclidean algorithm
Applet 28:
crazy fish
Applet 29:
complex hyperbolic triangle groups
Applet 30:
conformal rectangle tilings
Applet 31:
the pentagram map
Applet 32:
the sqrt(2) game
Applet 33:
iterating Pappus's theorem
Applet 34:
crazy fish II
Applet 35:
revolving disks
Applet 36:
revolving disks II
Applet 37:
Poncelet's porism
Applet 38:
tumbling 3D blocks
Applet 39:
2 blocks and a dodecahedron
Applet 40:
Drivin' Me Crazy
Applet 41:
pentagram/elliptic curve demo
Applet 42:
the Pythagorean theorem
Applet 43:
two permutations
Applet 44:
strip manipulator
Applet 45:
interactive proof of Goldman-Parker Conjecture
Applet 46:
The 100 Degree Theorem for Triangular Billiards
Applet 47:
Web McBilliards (Joint with Pat Hooper)
Applet 48:
Pythagorean Triples
Applet 49:
Langton's ant
Applet 50:
Applet for Dehn-Sydler's Theorem
Applet 51:
15 Theorems in Classical Projective Geometry
Applet 52:
Integral Frieze Patterns