Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

練習高速減算スクリーンショット

iPad

iPhone

About 練習高速減算

Mental calculation has so many advantages and really brings mathematics to life as well as providing motivation and strengthening and enlivenment to the mind. This is because numbers are mental concepts, they do not exist on paper. Furthermore, this free online app “Mental Maths Brain Training II” can perfectly improve the memory. Memory depreciates if it is not exercised. Short term, medium term and long term memory are all stimulated by playing this app,mental calculation. There are totally 6 levels as followings:-
Level 1: numbers up to 5 , timeout = 10 sec
Level 2: numbers up to 10 , timeout = 15 sec
Level 3: numbers up to 20 , timeout = 20 sec
Level 4: numbers up to 50 , timeout = 20 sec
Level 5: numbers up to 100 , timeout = 25 sec
Level 6: numbers up to 1000 , timeout = 30 sec
Each level, you will earn point (1 point per answer) if you answer the question correctly in time.

We consistently create fun games for kids, teenagers and adults, simply check out our website: https://www.ppppstudio.com