The EL531XTB-WH performs over 270 advanced Scientific functions and utilizes a 2-line Display and Multi-Line Playback to make Scientific equations easier for students to solve

It is ideal for students studying general math, algebra, geometry, and trigonometry

In addition, it can be used for statistics, biology, chemistry, and general science

272 Functions - Increased from 183

Large Display 2-line, 12 dot + 10 segment Display

Direct Algebraic Logic (DAL) - Input equations exactly as shown

New Glass Top Design - for clearer, easier reading of the Display

Solar and Battery Power (Replacement battery 357BP x1)