एक खेल है, यह फ्लैश मानसिक गणित का अध्ययन करने के लिए संभव है
●A game, it is possible to make the study of flash mental arithmetic
●You can be switched to mental arithmetic or flash mental arithmetic from the menu button.
●Make the attack if correct, but is an enemy attack if you are wrong
●If you make a mistake three times, this is the end of the game.
●Score will increase if you have defeated the enemy, but it will become increasingly difficult
●To compete in the rankings, let's aim high score
●Logos and images of DORAKEN used in this app are authorized and provided by DORAKEN, Inc.