The dynamic mathematical game Brancalc offers you to practice in solving elementary problems to multiply, addition, subtraction and division. Choose the level of complexity, there are four of them. The higher the level, the more difficult the examples. Give the answers under an example in a special window. You can do this with a keyboard, or choosing right in the window. When the blue scale is filled, you will switch to a new level. The time for finding an answer is limited to BrainCalc.