JMP Statistical Discovery is a powerful menu-driven alternative to Excel. It is particularly useful for exploring data properties and relationships.
JMP's home page: http://www.jmp.com/software/jmp/
Getting started videos: http://www.youtube.com/playlist?list=PL ... _WhHmabm3F
Discounted educational licence: http://estore.onthehub.com/WebStore/Off ... 4da23e67f6