good app 幾好用，幫到手:)
This application is a preliminary test of Hong Kong Diploma of Mathematics (Compulsory Part) examinations for Hong Kong secondary school students.
For Hong Kong students to prepare the HKDSE Mathematics-compulsory Examination.
A work by students & teaching staff from HKDI, a member institution of VTC.
VTC ARS is pleased to announce the updated version of V-Network mobile app.