User Portlet

I am a senior programmer analyst for the Dixie Group, a manufacturer of carpet. I have been in It for about 46 years. I have worked mostly on IBM midrange products using RPG, I have also worked with some 370 Assembler. I also program in Visual Basic, and am learning C#. I am interested in mathematics, specifically the areas of vector and tensor, and their application to differential geometry, and general relativity. I am an armature, but still interested in it