Key Features of the Citizen CT-9800 Calculator

Display & Design:

12-digit large LCD display for easy readability, suitable for extended use 310.

Dual-power source: Solar-powered with battery backup (AAA battery) for low-light conditions 357.

Ergonomic design with large plastic keys for comfortable and efficient typing 14.

Functionality:

Basic operations: Supports addition, subtraction, multiplication, division, and square roots 10.

Check & Correct feature: Allows review and correction of calculations (112-step replay) 57.

Auto power-off to conserve energy 3.