Mental Math vs Pilot Math

Discover the power of Mental Calculation, an interactive app tailored for kids, students, and adults, crafted to enhance your mental math skills.  Learn and improve effortlessly through exciting gameplay or exercise. Includes fast Calculation secrets and tricks to help you solve problems in seconds! Follow and compare your world ranking with the Game Center. Perfect for all skill levels, this app offers personalized practice to help you improve and excel. Features and Options Include: Basic operations: +, -, x, / Multiplication tables (1 to 20) Power calculation (1 to 100) Percentage challenges Cheering messages Fast calculation tricks Learning section: times and power tables Difficulty levels: beginner to expert in 5 levels Adjustable or no timer option Shows correct answer if you fail Track your history, best score, and prices

Master the aviation calculations every pilot needs — without a calculator. Rules of Thumb trains you to perform real cockpit mental math quickly and accurately. Six game types cover the calculations student pilots and professionals use every day: Conversions — speeds, weights, fuel units, distances Crosswind — crosswind component from angle and wind speed Drift Correction — DCA using speed factor method True Airspeed — TAS correction for altitude Distance & Altitude — descent planning, ROD calculations Pressure Altitude — PA, ISA deviation, density altitude Four difficulty levels take you from learning with hints to typing your answer under time pressure with tight tolerances — just like a real checkride. Master Plus mode and Master Plus Challenge are available with a subscription (€5.99/month or €34.99/year). Master Plus Challenge delivers questions via notifications over 10 hours, simulating real in-flight decision pressure. Free tier includes: Learning mode (20 min/day), Training mode (10 questions/day) and Master mode (5 questions/day). 30 badges reward speed, accuracy, streaks, daily consistency and challenge completion. Whether you're a student pilot preparing for your PPL, working toward your CPL, or a qualified pilot keeping sharp — Rules of Thumb gives you the mental tools to fly with confidence. By downloading this app you agree to Apple's Standard License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/