本APP是免費、無廣告軟體，安裝前請詳閱下列說明：
(1) 內有大量圖檔，對系統要求較高，建議手機CPU為高通650或聯發科Helio X10以上並有3GB RAM較佳，否則容易閃退。
(2) 不建議Android 6.0 以下使用。
(3) 本內容適合已熟讀經濟學者複習使用，不適合初學經濟學者。
(4) 本APP預計2年後更新，下載後才發現無法閱讀(HTC用戶)或不適合者請立刻卸載。
This APP is free no adware please read the following instructions before installation:
Drawing a large number of (1) high system requirements the proposed mobile CPU Qualcomm 650 or MediaTek Helio X10 has more than 3GB RAM and better otherwise easily flash back.
(2) does not recommend the use of Android 6.0 or less.
(3) The content for review already familiar with economists use not suitable for beginners economists.
(4) The APP is expected 2 years after the update the download only to find you can not read (HTC users) or not suitable please immediately uninstall.