Focus Gold Smart数学1+A

Focus Gold Smart数学II

Focus Gold Smart数学B+C

Focus Gold数学1+A

Focus　Gold数学1＋A6th　Edit （FOCUS　SERIES）

Focus　Gold数学1＋A4th　Edition

Focus　Gold数学1＋A5th　Edit

Focus Gold 4th Edition 数学I+A

Focus Gold数学3

Focus Gold Bridge-高校への数学- (FOCUS SERIES)

Focus Gold数学I+A―新課程用

Focus Gold（フォーカス・ゴールド） Plus 数学I+A

Focus Gold数学II+B