IOE application mathematical calculus or so-called fast calculation. Math kids With timeless and uninteresting time like violympics. Time passes by operation falling from the phone screen to the bottom near the bottom of the screen. Along with that is a lot of help to limit the dropping speed of math by allowing the math to jump. Grade 1 2 students will have easy access to the IOE math problem. - Math is Fun - Plus math playground, - Subtraction. - Personal multiplication. - Distribution division coolmath. - Difficult to increase gradually. - The operations in the 4 digit range are less than 10000. - Learn math for kids educational games cool . - From easy to difficult. The harmonious layout layout brings a professional learning application Sound music along with in-game effects help students learn math quickly. Applied mathematics for children. Help children kid become smarter about math. Products of Balo Studios.