Wedside for study

http://www.mathsrevision.net/alevel/pure/
http://www.physics4kids.com/files/mod_intro.html
http://www.allaboutcircuits.com/
http://www.eipi.biz/add-maths_formulae.htm
http://www.one-school.net/notes/SPMAddMaths/SPM-Add-Maths-Formula-List-Form4.pdf
http://www.scribd.com/doc/8108792/STPM-Math-Formula

http://oscience.info/physics/maths-formulas-for-physics/

http://www.rp-photonics.com/sellmeier_formula.html

http://iert.in/physics-formula/

http://education.alberta.ca/media/739552/pm30_jan02_de.pdf

http://galileo.phys.virginia.edu/classes/252/

http://www.eformulae.com/

http://hyperphysics.phy-astr.gsu.edu/hbase/electric/norton.html

http://fourier.eng.hmc.edu/e84/lectures/ch2/node3.html

http://www.oberlin.edu/physics/Scofield/p268/library/Ch-02%20Thermodynamics.pdf

http://www.tina.com/English/tina/

http://www.engineeringtoolbox.com/

http://www.ebyte.it/library/educards/sidimensions/SiDimensionsAlfaList.html#b

http://physics.info/

http://www.doctronics.co.uk/scope.htm

http://www.engineersedge.com/

http://www.math.com/tables/index.html

http://math.about.com/od/formulas/Math_Formulas_Math_Tables.htm

http://www.slideshare.net/menmaatre.kiya/some-formulae-for-additional-mathematics

http://www.staff.amu.edu.pl/~romangoc/M1-5-free-fall-motion.html

http://www.school-for-champions.com/science/motion.htm

http://www.public.navy.mil/navsafecen/Documents/media/pod/POD_Notes_Electrical.pdf

http://www.scribd.com/doc/62694627/Et-102-Electrical-Wiring1
 http://electrical.about.com/od/electricaltools/tp/top16electricaltools.htm

http://www.gordsrentals.com/rentals/electrical.php
http://gedung1com.com/suhaila/ET101.html
http://www.centecinc.com/download/studypacks/Electrical%20Package.pdf