- This versatile kit allows users to perform essential mathematical operations: addition, subtraction, multiplication, and division. It also features the ability to convert color ring resistor values, making it ideal for electronics enthusiasts and learners. - Constructed from high-quality components, including special circuit boards, digital displays, microcontrollers, and buttons, this kit ensures stable performance and longevity. - Power options include a Type-C interface for DC5V power supply or a button battery, with an easily accessible removal port for hassle-free battery changes. - The digital tube display format not only simplifies calculations but also provides a practical tool for welding practice, electronic training, and experimental projects, catering to DIY enthusiasts. - Use scenarios include: 1. Classroom settings for teaching mathematical concepts and electronics fundamentals. 2. Personal projects where users can practice circuit assembly and resistor identification. 3. Workshops focused on hands-on learning for hobbyists looking to enhance their skills in electronics. This product delivers functionality, ease of use, and reliability, making it an excellent choice for learners and DIY electronics fans alike.