Speed Trigonometry vs ForensicCrash

Speed Trig is the #1 app for memorizing the unit circle fast. Designed for students enrolled in Precalculus, the app quizzes you on the sine, cosine, tangent, and inverse trig values of the four main unit circle angles: π/2, π/3, π/4, and π/6. Our app was made by students, for students.

ForensicCrash is the professional platform built by crash investigators, for crash investigators. Field tools you reach for at the scene, and the community, training and suppliers behind the work — in one place. FIELD TOOLS Calculators and lookups built for how the work actually happens. Most run entirely offline and keep working where there is no signal. Most run entirely offline. Sign in once, and they keep working where there's no signal. - VIN decoder — full vehicle specifications from the NHTSA database, passed through verbatim. - Compass and GPS — bearing and coordinates - Speedometer — GPS speed with peak hold and an optional over-speed alarm - Level — a bubble level for equipment setup: tripod heads, scale bars, camera mounts - Conversions — length, speed, mass, volume, pressure, temperature and angle, every factor carried at its exact value - Time — UTC and local, date-aware - Tire size speed change — speedometer correction for non-OEM tires - Gear ratio and speed — road speed in gear from RPM and final drive CONNECT - Member directory — search fellow reconstructionists by region and specialty - Jobs board — opportunities across the crash investigation community - Resource library — reference materials for your work - Non-profit organizations serving the field - Quick Connect — exchange contact cards instantly with a QR scan at conferences and courses LEARN - Unified training calendar — find courses worldwide, searchable by topic and location - Digital classroom — check in by QR code, access class materials, and complete tests and surveys - Certificates — earn and verify your credentials, including ACTAR-recognized training - My Registrations — track the courses you have signed up for EQUIP - Marketplace — equipment, books, software, and professional services - Sell your used gear - Vendors and training providers directory Built for professionals in accident reconstruction, forensic engineering, law enforcement crash investigation, and litigation support, ForensicCrash.net serves practitioners across more than a dozen countries. Membership is free to join. Create your profile, explore the directory, and browse training and the marketplace at no cost. An optional Expert subscription unlocks premium features. Expert Annual Membership is $49.99 per year, auto-renewing, and can be cancelled anytime in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Questions? Email admin@forensiccrash.net