價格：免費
更新日期：2016-06-05
檔案大小：20M
目前版本：2.0
版本需求：Android 4.0.3 以上版本
官方網站：mailto:lentzintl@gmail.com
Assists in calculating the ruling span for line design and warns you if a span or spans exceed 125% of the ruling span or the "Max Span".
You are responsible for making sure all calculations are correct. Contact me if you find an error in the calculations.
Formula used:
sqrt((span1^3+span2^3+span3^3...)/(span1+span2+span3...))
