The Donau office calculator is a versatile and functional device designed for daily use in the office or at home. With a 16-digit display, it allows for clear and precise calculation readings. The calculator is equipped with a dual energy system that utilizes both solar power and batteries to ensure reliable performance. Its compact design, measuring 201 x 155 x 35 mm, makes it a practical companion for any desk. Useful features include square root and percentage calculation functions, as well as the ability to store two numbers in separate memory slots. The calculator automatically shuts off to save energy and comes with a five-year warranty, highlighting its durability.

• Dual energy system (solar and batteries)
• Fixed display angle for optimal visibility
• Square root and percentage calculation functions
• Two memory slots for storing numbers
• Automatic shut-off for energy savings.