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About
Terraequil: Slope Lab is a focused, fully on-device app. Transparent slope-stability screening with Fellenius and simplified Bishop slices, circular surface search, groundwater scenarios, reinforcement loads, and sensitivity plots. KEY FEATURES - Transparent slice calculations - Fellenius and Bishop comparison - Groundwater sensitivity plot - Local section-photo evidence - Editable sample data and CSV import - Side-by-side scenario comparison - Local PDF evidence export - Fifty-three original offline reference plates ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core features and bundled content work offline - Work remains on device unless you deliberately share or export it through an Apple system interface Slope results are preliminary screening only. They do not replace subsurface investigation, groundwater assessment, field instrumentation, or a qualified geotechnical engineer.
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