Sharp EL-W531TL Scientific Calculator - Dark Blue

The Sharp EL-W531TL is a scientific calculator designed for advanced mathematics and scientific study. It features 420 functions, including logarithms, fraction calculations, and trigonometric operations. The WriteView LCD displays up to four lines, allowing complex expressions to be shown in standard textbook notation. It is suitable for subjects ranging from algebra and physics to the general sciences. Direct Algebraic Logic (D.A.L.) allows expressions to be entered in a natural, step-by-step sequence.

The device is battery-powered, removing the need for external light sources. An auto-off feature conserves energy by shutting the unit down after periods of inactivity. Weighing 101 g and measuring 80 x 158 x 15 mm, the calculator is portable enough for daily use. The dark blue housing is durable and suitable for both classrooms and offices. Nine independent memory registers allow users to store intermediate results during multi-step problems.

• Dot-matrix LCD: A high-resolution display that renders mathematical symbols and notation clearly.
• Single LR44 battery: A standard, replaceable cell that maintains screen visibility in any lighting.
• Hard plastic cover: A slide-on case that protects the screen and keys during transport.
• Subject support: Includes programmed logic for geometry, statistics, and biology.
• Digit separator: Improves readability by grouping large numbers into standard sets.
• Four-line display: Allows the equation and the final result to be viewed simultaneously.