Curtain Calc Pro
iOS app by 晓 郭. Utilities · 晓 郭
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-07
View the original store listing
Store description excerpt
Curtain Calc uses a geometric coverage model to calculate how effectively a curtain panel blocks light from a given window. CALCULATION MODEL The engine computes direct-cover area minus an edge-leak penalty. The penalty is derived from the difference between the curtain's actual overlap and the user's target overlap on both side edges and the top. The result is a dimensionless coverage ratio (0–1), displayed as a percentage. INPUT PARAMETERS • Window width & height (cm) • Curtain panel width & height (cm) • Desired side overlap (cm, each side) • Desired top overlap (cm) OUTPUT • Coverage percentage with color-coded rating • Recommendation: whether curtain width or height needs to increase HISTORY & RE-USE Calculations are persisted via UserDefaults. Each record can be named, browsed in a list, and reloaded into the calculator as a prefill. LOCALIZATION English and Simplified Chinese, runtime-switchable without restart. PRIVACY Zero network activity. Zero data collection. No third-party SDKs.
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