Programming and scripting: C/C++, Pascal/Delphi, TASM/MASM, HTML/CSS/PHP/JS + different frameworks, Python(controllers)/Java(Android)/Ino(controllers); Databases: MySQL, PostgreSQL, FoxPRO, SuperCalc; Special: AI-math, semantics scripting (natural speech AI), HAAR-cascades(computer vision) Graphics: Photoshop, Illustrator, Flash, Painter, BSP, GIMP, Acrobat; OS: MsDOS, TrDOS, OTS, PL/M, Windows 3.11/9x/NT/2000/XP/7, Linux Red Hat/SuSe/Debian/Mandrake/HP RISC Linux, Ubuntu, FreeBSD; Hardware: all kinds of PC/XT platforms, all office equipment, networks (both wired and air including DirecPC systems), Arduino, RapsberryPi, different embedded controllers;