Big Button Calculator : The large buttons are designed for ease of use, ensuring that everyone can operate the calculator with confidence and comfort. Energy Efficient : Our calculator is equipped with an automatic sleep function, saving energy and extending battery life. Mechanical Switch Calculator : Enjoy the crisp, responsive feel of mechanical switches with every press, reminiscent of classic keyboards. Automatic Sleep : After periods of inactivity, the calculator automatically enters sleep mode, conserving power and prolonging battery longevity. Durability : Crafted from high-quality materials, this calculator is built to last, withstanding the rigors of daily use in busy environments. Introducing the Big Button Calculator, a robust companion for your daily computations. Its large, tactile buttons invite effortless operation, while the 12-digit display provides ample room for complex calculations. With an energy-efficient design and automatic sleep mode, this calculator is not just powerful but also eco-conscious, making it a smart choice for both office and home use.