Your objective is to get as many questions right before the timer runs out. With each new timer completed and a record set. You will unlock longer timers and harder difficulties. This brain training app was created out of a need to improve one’s focus, mental agility and endurance. Do you have what it takes? This app can test you on: - Addition - Subtraction - Multiplication - Division - Adding Matrices and Vectors - Subtracting Matrices and Vectors - Multiplying Matrices and Vectors - Scal