If you are looking for a scientific calculator to solve complex mathematical equations, buying a proper calculator is really important. This foldable device is too appropriate for junior & high school students, college students & competent researchers. It has 8 calculation modes like COMP, STAT, TABLE , with 417 kinds of computing functions that increase the speed of your action with less trial and error. A CR2032 battery in this calculator can be charged with solar energy. It also has a writing pad that allows users to take notes while calculating. Two-line display of this scientific calculator shows you both the entry and the result at the same time which is so ideal for general science and math applications.