刺激你的大脑心算
Practicising mental arithmetic can sharpen up your thinking ability by making use of one of the most powerful computers in the world - i.e. the one between your ears!
In order to become a Math Mind Wizard, it is recommended that this application is used as follows:
● Master the multiplication times tables
● Study the Mental Arithmetic Tips
● Practice the Training Exercises
● Take the Math Mind Challenge
There are 12 levels in the Math Mind Challenge - each set of mental calculations contains 10 questions - answer all questions correctly and proceed to the next level - if 9 are answered correctly will remain at the current level - answering less than 9 correctly causes a drop in level - how quickly can you get to level 12? - how long can you stay there? - a full history is provided showing your attempts at each level.