This scientific calculator with 2-line alphanumeric display has over 200 functions to help tackle even the most difficult math or science challenges. The 2-line display along with true algebraic logic functions help eliminate any ambiguity and doubt while tackling complicated calculations. The calculator, with hard protective case, has easy to read, clear function keys, making scientific calculations almost painless.Datexx's scientific calculator series provides the heavy-duty functionalities needed while incorporating added benefits and features to make the calculators user-friendly. Not only do Datexx's scientific calculators offer the same or even more features than comparable offerings on the market, but also have better price points and usability. It's a no brainer choice all around for students and professionals.