價格：免費
更新日期：2014-10-02
檔案大小：45k
目前版本：4.1
版本需求：Android 4.0 以上版本
官方網站：http://www.principiaprogramatica.com
Email：gmiller@gregmiller.net
Displays SAE Inch ruler, Metric (cm,mm) ruler, Machinist's ruler (10ths of an inch divisions), a 180 degree protractor, a 360 degree protractor, and a radius gague. Swipe left/right to change which ruler is aligned with the left side of the screen. This app requires no permissions.
