Cosine Kitty stayed up all night thinking about math...
Chess programs
Chenard
- my freeware chess program (with C++ source code) for Windows.
Play chess
against your Java-enabled web browser!
Time
My home-made digital clock!
NistClock
- C# .NET program for reading from NIST atomic clocks on the Internet.
Astronomy
Astronomy Sky View
- Enter your longitude and latitude, and this will show you what celestial objects are in your sky.
Solar System Calculator
- Javascript engine for astronomy calculations.
Astronomy Calendar
- Browse a dynamic calendar that displays astronomical events.
Math and Physics
Unit Conversion Tool
- Javascript web tool for doing sophisticated unit conversions.
Equation Solver
- Javascript thingie I wrote.
Make your browser calculate π to 1000 decimal places!
Make your browser calculate
n
th roots to 1000 decimal places!
Rubik's Cube Nuggets
Cubical Network of Resistors
Mandelbrot Set
Mandelbrot Orbits
- A new way to look at the Mandelbrot Set, using Newton's Method to find complex values that repeat every
n
iterations.
Mandelbrot Orbital Boundaries
again, this time solved algebraically.
Mandelbrot Polynomials
- A look at the algebra underlying the fractal complexity of the Mandelbrot Set.
Mandelbrot fractal area estimates
- My own computed estimates for areas of the Mandelbrot series of fractals.
Other Junk
The Qwibnar Zone
- Thanks to archive.org, my old web site lives again!
Don's Office Art
GeekNet Inter-Office Telegraph System
Sudoku Freeware
I wrote, with source code!
Arduino microcontroller projects
Contact me (Don Cross) :