價格：免費
檔案大小：13.9 MB
版本需求：OS X 10.11 或以上版本，64 位元處理器
支援語言：英語
Browse the patterns to familiarize yourself with them.
Then quiz yourself on the patterns. A figure will be shown with 4 options, just pick the correct answer.
Minimal screen resolution of 1024x768 supported.
