Simple app that specializes in junior high school science of incoming element symbols out in textbooks, memorization of chemical formulas.
Is possible efficient memorization to practice repeatedly what you do not remember a simple test.
Can switch between automatic and manual modes, and trying to memorize using enable the little time.

She has studied chemical symbol or formula in the junior high school of science in the second year, you can also use in the third grade of ion. Of course, it is also required for examination.