Experienced software engineer (on-again off-again for 35 years) but not up to date on all modern practices. Languages (in order of acquiring): APL, Fortran, Assembly (several kinds), Pascal, C, bitslice microcode, HTML, Perl, Java (strongest), PHP 5. OS's: OS/360, RT-11, Unix, Solaris, Windows.

Acquiring Android skills for tablet / pocket-computer app development. Studying machine learning. Experience with computer graphics and psychological research. Enjoy making sophisticated user interfaces. Good teaching/tutoring skills.

Other related interest areas: photography, signal processing, computer sound and music, AI, neuroscience, Go (igo, weiqui, baduk).