Speed math 2018 – Pro is a quick math master game that can make you freaking mad. In this math operations or math master game we give you very short time (1.5~2 sec approx) to decide whether the equation that appears on the screen is true or false. This game gives you an option to choose from Plus, Minus, Multiplication, Divide, Square, Square root, Cube, Cube root, Mix, Relational, Logical, Even Odd, Old New, Low High, Binary, Octal, Hexadecimal, Colors and Direction modes. You can select these modes by pressing the green button on home screen.
Link: https://play.google.com/store/apps/details?id=com.eggies.speedmathpaid