I would like to know if i can find any books related to Physics and maths in english for using as reference materials for entrance examinations like TTK etc? 
747 

27.5.2009 

Click Advanced search on the first page of HelMet database http://www.helmet.fi To find material in English use the link language. Type matematiikka oppikirjat. Type fysiikka oppikirjat
Help for you http://www.helmet.fi/search~S9/k

How do you evaluate a expression 
644 

14.11.2007 

Thank you for your inquiry.
There is a lot of webpages about evaluating expressions. You should try for example the following:
http://www.me.vccs.edu/mathprep/Evaluating_an_Expression_or_Formula.doc
http://aaamath.com/equ723evaluate1variable.html
http://www.regentsprep.org/Regents/math/orderop/evalPrac.htm

How can I get solved problems in numerical analysis in the topics 1 nonlinear systems 2 partial defriential equations 3 partial differential equation 
847 

27.12.2006 

I suggest you study books on mathematics. For example the next ones deal with the subjects you mentioned.
Stoer, Josef: Introduction to numerical analysis, New York : SpringerVerlag, 1980
Advances in numerical analysis
Volume 1 : Nonlinear partial differential equations and dynamical systems / edited by Will Light
Oxford : Clarendon Press, 1991
Pap, Endre: Partial differential equations through examples and exercises, Dordrecht : Boston : Kluwer Academic , cop. 1997
Gustafson, Karl E.: Introduction to partial differential equations and Hilbert space methods, Mineola : Dover, 1999
DiBenedetto, Emmanuele: Partial differential equations
You can also search these terms in the Internet.
Wikipedia e.g. gives these results:
http://en.… 