價格：免費
檔案大小：10 MB
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
This app helps engineers to easily see what springs are needed for a number of parameters. The line of force is displayed in a diagram, and several load tolerances can be set to control whether or not the parameters are reasonable.
支援平台：iPhone, iPad