Useful Links

E-Class (Email and online quiz):http://eclass.plkclscmc.edu.hk

Hkedcity: http://www.hkedcity.net

自學倉頡/速成輸入法 http://www.scj2000.com/selfstudyv1/index.htm

Android Appinventor  http://ai2.appinventor.mit.edu/

W3schools Online Tutorials http://www.w3schools.com/

Online Flowchart Drawing https://www.draw.io