[R] books

[Federico Calboli]

Dear All,

using R is noticed that I would benefit by going back to the books and
"refresh" my linear algebra and calculus. 
Has anybody suggestions on which books are better as reference on the two
these two topics? 

I was thinking to get Lang's "A First Course in Calculus", but I I have no
idea what could be a good one for linear algebra. Something detailed and
clear would be better, I do not have the sharpest mathematical brain.

Any suggestion is welcome.

Regards,
Federico Calboli

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Federico C.F. Calboli

Department of Biology
University College London
Room 327
Darwin Building
Gower Street
London
WClE 6BT

Tel: (+44) 020 7679 4395 
Fax (+44) 020 7679 7096
f.calboli at ucl.ac.uk