Quick Math Challenge Free concept

--- Get the other one --- --- Unlimited Math Practice ---- A much better version This app have hundreds of math sessions for us to practice Only your best time record will be saved Because we challenge no one but the best of ourselves Need Practical Super Power??? Train! Train! Train!!! Endless Additions. Endless Subtractions. Each session, 9 math calculations. Only pass with 100% accuracy. Marathon: 81 calculations. All 81 answers must be correct. Straightforward. Easy enough. Automatically saves your hard-earned best time records. Designed for those who need to get an edge in life. Do math in your head fast, quick, and in a hurry. Minimized app size. Fast load-time. Play while listening to your own music. Train, workout, and put your brain to the challenge! An offline app. No Data. No WiFi. No clock-blocking in-app purchases. Install!