Video: The Story of the Graphing Calculator

It is a nerds nurd story.  Some parts are hilarious and most situations are recognizable as straight out of the land of Dilbert.   What you will find is Mr Ron Avitzur is not from the land of group think.  I like and practice his philosophy of "I live simply"
It's midnight. I've been working sixteen hours a day, seven days a week. I'm not being paid. In fact, my project was canceled six months ago, so I'm evading security, sneaking into Apple Computer's main offices in the heart of Silicon Valley, doing clandestine volunteer work for an eight-billion-dollar corporation.

What is the graphing calculator software?