The EL531XBSL 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. Also available in Blue.

- 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