價格：免費
檔案大小：9.3 MB
版本需求：需要 iOS 8.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
This app is designed to aid projector installations and offers a quick method to calculate Contrast Ratio, Aspect Ratio, Lens Calculations, Throw Ratio and Throw Distance.
支援平台：iPhone