All the versions of this article:
2006/2007 : Big transition of my software iMathGeo to Xcode Cocoa (I rewrite about 70 000 lines of code) :
Learning to use Applescript with cocoa (recording method too)
Learning thread architectur
rewrite completely the NSTableView to implement OpenGL cells.
rewrite the multiprocessing/OpenGL/2D graphics engines
etc...
2005 : autodidact with Cocoa
I moved my projects to Xcode
I made the transition from Big endian to little endian (modifying the Powerplant framework to be totally compatible with Xcode/Codewarrior intel/powerPC plateform).
2004 : I learned to work with Linux PDC (files server) and I found my own solution to manage a large heterogen park (show the Experiences).
formation with simd technologies (Altivec motorolla).
2003 : formation with web server (manage a Linux server) and I developped my own web sites. (php, css, html etc....)
2002 : Extension of the Powerplant framework to be fully compatible with the new OS X technologies (Sheet window, drawer window etc...)
2000 : Learning the Powerplant framewotk
1998 : Development of a formal kernel.
1995 : Learn to be teacher in mathematics.
1994 : Stop my thesis because ther wasn’t any place to be researcher in maths.
1993 : master of research in maths applicated to engineering at "Paris Dauphine university (CEREMADE)" with collaboration with "l’école des Mines de Paris".
.....