Advanced Mathematics 4u TERRY LEE $40 (originally $66) Year 12 Cambridge Mathematics 4unit $ 27Extension 2 mathematics Past HSC Papers with worked solutions 1990-2007 CORONEOS edition $23Excel HSC MATHS EXTENSION 2 $20Extension 1 mathematics past HSC papers with worked solutions 1990 - 2007 (new 2008 edition) $17cambridge mathematics 3 unit by BILL PENDER,DAVID SADLER, JULIA SHEA, DEREK WARD for yr11 $33