Architect's Formulator vs CAftrade

ARCHITECT'S FORMULATOR is the ultimate professional calculator for architects, engineers, and construction professionals — with over 2,000 formulas in a single app. Whether you're sizing beams, designing HVAC systems, calculating voltage drops, or checking ADA compliance, Architect's Formulator covers every discipline — structural, electrical, mechanical, plumbing, and carpentry — plus unit conversions, reference tables, and ADA accessibility resources. ARCHITECTURE & STRUCTURAL — 29 categories covering beam loads across single through four continuous spans, concrete design, flat plate analysis, steel design, masonry, environmental loads (wind, snow, seismic), foundation and retaining walls, wood design, acoustic absorption, 100+ material weights, fire egress, roof drainage, solar/daylighting, thermal performance, site grading, cost estimating, and more. ELECTRICAL — 15 categories for AC/DC circuits, Ohm's Law, motors, transformers, voltage drop, wiring/conduit sizing, batteries, impedance, power demand, lighting design, UPS sizing, and operating costs. CARPENTRY — 8 categories for lumber, stairs, safe beam loads, wall loads, roofing (shed, gable, hip), railing/deck framing, crown molding, and materials estimation for drywall, concrete, paint, and plywood. PLUMBING & HVAC — 29 categories covering pipe sizing, water flow, pumps, boilers, and a comprehensive HVAC library including airside/waterside heat transfer, duct sizing, fan and pump laws, gas laws, psychrometrics, refrigeration, heating/cooling load design, energy content for 16 fuel types, ventilation rates per ASHRAE 62.1, and steam/hydronic systems. CONVERSIONS — 17 categories with 500+ conversions for pressures, flows, BTU, horsepower, watts, frequency, linear/liquid/square/cubic measures, weights, and a Metric library with 280+ conversions across length, area, volume, mass, energy, power, and more. TEMPERATURE SCALES — Convert between all 8 scales: Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Newton, Delisle, and Rømer. REFERENCE TABLES — IBC Occupancy Loads, Brick Sizes, Lumber Dimensions, AWG Wire Gauge, Concrete Mix Ratios, and Insulation R-Values. ADA REFERENCE — 50 illustrated diagrams for wheelchair clearances, ramps, grab bars, elevators, accessible parking, and restroom layouts, plus 17 PDF documents with full ADA guidelines. FEATURES: • Over 2,000 professional formulas • US and Metric units with one-tap switching • Save and export calculations • Favorite your most-used calculators • One-time premium upgrade — no subscriptions From foundation to finish, every formula for every phase of the job.

Our original aspiration Having attracted diverse African countries and regions, CAftrade, whose full name in English is “Centre African Trade”, holds the original aspiration of achieving win-win results and strives to draw on the strengths of all for the rise of Africa as a whole. Our platform CAftrade is a platform for Internet information exchange and bulk product trading, focusing on B2B cross-border e-commerce services in the African market and providing real-time translation service in Chinese, English, and French. CAftrade provides SMEs which operate in Africa or are optimistic about African markets with various services, including global supply, overseas warehouse, cross-border logistics and transportation, 24-hour multi-language customer service and professional business support. The first phase of CAftrade centers on providing users with business information and opportunities of information exchange in Africa. Our service covers major cities in all African countries, and here you can enjoy: - Real-time Business Infos with business opportunities scattering all over Africa, - Convenient Land Transaction with complete papers and clear property rights, - Brief and clear Vehicle Rental information ensures your travel worry-free,　 - Safe and reliable Items Transaction based on integrity, - Considerable and comfortable Domestic Service of high quality through careful selection, - Time-saving and dependable House Rental with our professional assistance, - Unhindered Vehicle Transaction enables you to travel wherever you want,　 - Targeted and quick-response Job Infos, - Timely and quick Visa Service with trivial procedures settled efficiently, - Professional and efficient Business Service without cross-border barriers. In addition - Click “Discover”, we will provide you with a brand new perspective to meet colorful Africa and enjoy audio-visual entertainment, - Click “Publish” and you can enjoy information exchange throughout the Africa in real time as if distance disappeared. Our Vision Originating from and designed to serve Africa, CAftrade endeavors to  become an Internet enterprise which knows Africa best across the globe.