SAS is probably the most acclaimed data analysis and Business Analytics software currently available in market. It is used primarily for data analysis in academic and research institutions, and for data mining in business and enterprises.
When I was in 2nd year of my undergrad in Dhaka University, my elder brother got me a gift which he bought for me while coming back after finishing his course works in U.S.; The gift was a thin book and the title of the book was sort of funny