The mechanical calculator is a timeless tool that has been an essential part of office work for decades. This extra large version features a massive 5-inch LCD display, providing crystal clear numbers and calculations for accuracy and reliability.

With its sturdy construction, this calculator is built to withstand heavy use in the office or at home, making it the perfect choice for individuals who require precise calculations on a daily basis. The ergonomic design of the keyboard allows for easy typing and operation, reducing fatigue and increasing productivity.

The mechanical calculator's big buttons are designed for effortless navigation, ensuring that complex calculations can be performed quickly and with minimal effort. Whether you're a student or a business professional, this calculator is an essential tool for staying organized and making accurate calculations.

Additional features include a battery-powered design, allowing it to run for extended periods without recharging. The 15° tilt screen provides optimal comfort while working, reducing eye strain and promoting accuracy. With its durable construction and user-friendly design, this mechanical calculator is the perfect addition to any office or home workspace.