Deli Scientific Calculator, 552 Functions, Two-Line Display, Smart & Tough Calculations, Classroom Use - Black

It offers 552 functions, including regression statistics, trigonometry, logarithms, powers, roots, distributions, and other advanced math and data analysis tools for science and engineering courses.

The two-line display keeps your current input and the result visible at the same time, making it easier to review calculations, edit entries, and verify results without losing context.

The calculator places frequently used operations (like trigonometric functions, logarithms, powers, and regression tools) in easy-to-reach locations, so you can perform common tasks with fewer keystrokes and less searching through menus.

You can enter data sets and use built‑in regression functions to fit models, as well as distribution tools for analyzing data spreads, probabilities, and other statistics needed for labs and assignments.

Ideal for algebra, calculus prep, statistics labs, physics and engineering coursework, data analysis assignments, and exam practice where quick access to advanced functions and reliable input is valuable.

Insert the battery, power on, and familiarize yourself with the mode and function keys. Use the two-line display to enter expressions, clear entries with dedicated keys, and switch to regression or distribution modes as needed for your task.

It features a sturdy black housing designed to withstand frequent transport in backpacks and totes, with tactile keys that reduce entry errors during long study sessions.

On Fepy, you can compare it with other high‑function scientific models from similar brands or categories. For quick side‑by‑side decisions, see options like Casio fx-991EX ClassWiz, TI‑36X Pro, or other Deli scientific calculators available on Fepy to evaluate features, price, and suitability for your curriculum.

Consider these commonly compared options on Fepy: Casio fx-991EX ClassWiz (advanced functions with a classroom-friendly interface), TI‑36X Pro (scientific with solid statistics/tools), and other Deli scientific models. They provide different focuses (graphing, advanced statistics, or cost), so choose based on your course needs.

If you need extensive statistical tooling and a robust build for regular lab use, the ED991EX is strong. If you primarily need entry‑level scientific functions or a lower price point, compare with Casio fx-991EX ClassWiz or TI‑36X Pro to find the best balance of features, ease of use, and cost.

Yes, it is designed for classroom use with a durable build and safe operation. It should be kept away from water and extreme temperatures, and users should avoid disassembling the device to prevent safety hazards.

Yes, for students who need 552 functions, a reliable two‑line display, and built‑in statistics tools, the ED991EX offers a strong feature set and classroom durability at a competitive price, making it a practical choice for labs, revision, and exam prep.