Trach vs Speed Math

Trach is the ultimate app for learning and practicing the Trachtenberg method—a system of mental math techniques that make complex calculations quick and intuitive. With step-by-step tutorials and practice exercises, you’ll develop a deep understanding of rapid multiplication, all while sharpening your number sense. Why Trach? - Learn the Trachtenberg method at your own pace - Practice with problems of varying difficulty - Track your progress and improve over time - No ads, no distractions—just pure learning Master calculations like 172413 × 11 in seconds. Whether you're a student, a math enthusiast, or just curious about mental math tricks, Trach makes learning effortless. Download Trach today and start multiplying faster than ever.

Speed Math - Human Calculator Forget about calculator, you no longer need it. Practice mental math with Speed Math and become a Human Calculator. Speed Math will help you increase your mental math calculation speed, by solving math problems as fast as you can. Actually you can be so fast at math that people will call you a human calculator. People around you will no longer need a calculator to calculate arithmetic fast, the will ask you calculate math fast for them. Are you ready to become a human calculator? The game have more than 100 variants to measure your calculation speed: Each operation (plus: '+', minus: '-', divide: '÷', multiply: '×') have a difficulty and duration options, and can be measured by time or number of tasks.