The ABS ruler with calculator Heather is the perfect accessory for students and professionals alike. This versatile tool combines the functionality of a 20 cm ruler with the convenience of a solar-powered eight-digit calculator. Made from durable ABS material, this ruler is built to last and withstand daily use. The integrated calculator allows you to quickly perform calculations without the need for a separate device. Simply slide the ruler along your paper or document and effortlessly measure and calculate all in one tool. Plus, the calculator is powered by solar energy, making it environmentally friendly and eliminating the need for batteries. The Heather ruler also offers the option for personalization, allowing you to add your name or logo for a unique touch. Whether you're in the classroom, office, or on-the-go, the ABS ruler with calculator Heather is a must-have tool for accurate measurements and efficient calculations.