< Feature >
- It is a mental calculation brain training app that repeats the calculation in the head and answers the value when it becomes 100 or more.
- Unlike single mental arithmetic, it is necessary to update the calculation results while keeping them in mind, so you can train your working memory.
- The operation of the smartphone is only at the time of determination and answer of the numbers before the start, so you can play secretly in the gap time and the movement time.
< How to use >
1. Turn the slot to select the initial value and the additional value.
2. Press the START button to determine the initial value and the additional value.
3. In your mind
- Add the initial value and the additional value.
- Add the calculation result and the additional value. Repeat this until the calculation result is over 100.
4. If it is over 100, input the calculation result and press Answer button.
Initial value : 6, additional value : 7
6 + 7 = 13
13 + 7 = 20
20 + 7 = 27
27 + 7 = 34
90 + 7 = 97
97 + 7 = 104 ( >= 100 )
Answer : 104
< Function >
- You can set the range of initial value and additional value.
---- Small numbers such as 2 or 3 can be out of selection.
- You can choose between addition and multiplication.
---- The multiplication also answer the value when the calculation result becomes 100 or more as well as the addition.
Initial value : 9, Multiplication value : 9
9 × 9 = 81
81 × 9 = 729 ( >= 100 )
Answer : 729
- Interruption is possible.
---- If you exit the application while pressing the START button, the state will be restored at the next startup.