User:Zz47
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ZZ (Zhen) Zhang Duke Class of 2016 Yoooooooooooooooooooooo
[1], LEE BILLINGS, July 28, 2009, Feb 3, 2012
I watched Basic Matrix Operations. It is really helpful I think because I can actually use it to do matrix calculation if I do not have my calculator with me. And it is much quicker than using my calculator.
