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Addition・Subtraction (Way of Instinctive Calculation) ■ Without using fingers, you will be able to add and subtract fluently. There is individual variation. If you adopt Afterimage Phenomenon and Way of Instinctive Calculation, you will be able to receive the ability to calculate easily. ■ Learn using flash card-styled exercise Flash card-styled learning method: going through 4 steps per a trouble. Flick cards like true ones or tap icons or turn over cards automatically when you turn over the flash cards. ■ You can learn “concept of numbers” in STEP 1 , “addition without regrouping” in STEP 2, “subtraction without regrouping” in STEP 3, “addition with regrouping” in STEP 4 and “subtraction without regrouping” in STEP 5. These 5 learning become primary of math study. To master this learning gives you self-confidence toward arithmetic. This way is particularly suitable for kids in lower grades, in kindergartens and for those who take time to learn. ■ Can create sure that what type of flash cards there are in every step on the list. ■ Can place marks on the front cover of the flash cards. ■ The order of the issues in the tests and in the mini games changes every time. ■ Delighted learning mini game is included in. A genie of the lamp is locked up in a box. To rescue him, you turn into other genie and have races with 3 various animals. Then you can collect 5 gold lamps through playing mini games. You can also see surprising scenes on the screen every time you receive lamps. ■ By the step mini game, you can choose it among the three speed. Once you set up the difficulty level and the speed of your enemy , you can have fun the mini game while you learn. Furthermore, you can check your exact speed and scores. target : preschool / nursery school / elementary school ◆Upgraded contents（Ver.2.0.1） 1. Problem was corrected.