Offices To Let Reading Reading Microsoft Office Documents On A Macbook.?

Reading Microsoft Office documents on a macbook.? - offices to let reading

Hello, let me first explain my situation, please note that I, or buy the software can not read, of course, the documents in the office ... BUT:

I am a student and buy an instant message to my MacBook, and I do not plan to buy MS Office or iWork for my new MacBook ..... Besides, I could read, write and edit documents from MS Word on my MacBook and I really, really, buy one of these applications?