alfred p. steffens jrBorn and raised in Sacramento, California. Lived in the Los Angeles and San Diego areas for thirty years while working in the defense industry. Settled in Tuscon, Arizona with wife K. Gardner.
Computer programmer, with interests in information processing, astrophysics, complex dynamic systems, and the foundations of mathematics.
Musician, with interests in experimental instrumental rock, electronic sound generation, and ambient space music.
mathematics software
HMD Mathetatics is an open-source mathematics program with a command-line interpreter similar to Matlab, including finite element and ordinary differential equation solvers, and other things.
Download the HMD Mathematics computer modeling software.
See the online Documentation here.
Zmapper is a graphics program for visualizing complex plane mapping. It has an interactive drawing interface as well as a scripting interpreter.
Download the Zmapper complex mathematics graphics software.
music software
Attrk is an open source "tracker" sequencer for controlling music synthesizer sound generators over MIDI (musical instrument device interface).
Ascore is a computer language and scripting tool for creating Csound music score files. Csound is a music synthesis software program for generating sound and scoring music. Ascore provides a high-level interface to generating the Csound score by approaching scores as assemblies of pattern blocks.
Mscore is a computer language and scripting tool to for creating MIDI files.
writing
Some brief essays where I convey my opinions, just because.
music recordings
ambient, space, synthesizer music
I write and record original space ambient music. Go to the music site: here.
Free Music Play or Download
doorways
or download the file doorways.ogg I'm maintaining a music blog site here