Image.h how.txt Data\Boden.bmp ....\Explode.wav ....\Marble.bmp ....\Spark.bmp ....\Wand.bmp Lesson.cpp Lesson.def Lesson.dsp Lesson.dsw Lesson.rc Lesson.scr Mathex.h resource.h Tmatrix.cpp Tmatrix.h Tray.cpp Tray.h Tvector.cpp Tvector.h Data