Hey Spiral, i was wondering if you have any electronic copies of these:
• Book of HSC papers with answers by The Maths Association of NSW; 2008 edition
• Book of HSC papers with answers by The Maths Association of NSW; 2005 edition
• Neap; Smart study exam guide for Mathematics extension 2
• Excel HSC Mathematics Extension 2, Complete Course, Patel
• Phoenix Practice Questions by topic
• Year 12 Cambridge 4 unit mathematics textbook