Master the visual language of construction — from foundations to roof framing. This app is a study and field-reference companion for architects, engineers, contractors, students, inspectors, and estimators. Browse 29 detailed illustrations, test your knowledge with quizzes and flashcards, track study progress, take personal notes, and use 21 built-in engineering calculators. --- FEATURES STUDY DASHBOARD A home screen with your study progress ring, daily construction tip, recently viewed figures, favorites, and quick-start buttons. QUIZ MODE Thirty multiple-choice questions covering drawing types, codes, structural concepts, and field practices. Each includes a detailed explanation. Scores are tracked and questions shuffle each session. FLASHCARD MODE Swipe through all 29 figures as interactive flashcards. Tap to flip between illustration and description. Mark each card as studied with one tap. ILLUSTRATED LIBRARY Twenty-nine illustrations across six chapters with integrated search. Pinch or double-tap any illustration to zoom full-screen. STUDY NOTES & PROGRESS Add personal notes to any figure. Mark figures as studied and track completion on the dashboard. DAILY TIPS A rotating tip from 30 field-tested insights appears on your dashboard each day. CONSTRUCTION DRAWINGS GUIDE Built-in reference: drawing types by discipline, typical design packages, permit requirements, scales and symbols, design phases (SD through CA), and a glossary. ENGINEERING CALCULATORS Twenty-one interactive calculators across seven disciplines: Structural — Beam analysis · Concrete volume · Rebar weight · Footing sizing Civil — Rational Method runoff · Manning's flow · Earthwork Architectural — Occupant load · Egress width · Parking Mechanical — Cooling load · Duct sizing · Outdoor air Plumbing — Water demand · Pipe velocity · Heater recovery Electrical — Voltage drop · kVA/Amps · Conduit fill Fire Protection — Hazen-Williams · Sprinkler flow Each includes code references and typical ranges. --- - Native SwiftUI — fast, lightweight, fully offline - iPhone and iPad - iOS 17+ - No ads, no tracking, no sign-up Captions, reference content, and calculators are general educational references. Always verify with your local AHJ and perform full code-based calculations for final design.
