The scientific calculator F-789SGA, partially made from recycled materials from Canon products, features many innovative functions that simplify complex mathematical equations. The keyboard, coated with an antibacterial agent, is a health benefit. Hygiene is an important topic in schools and universities. An optimized inorganic antibacterial agent is applied to the plastic keys of this Canon scientific calculator, minimizing the transmission of pathogens. This reduces the development of bacteria that can occur on the keys, especially with frequent use in schools. This makes the F-789SGA an excellent choice for students at schools and universities. The F-789SGA is the top model among Canon scientific calculators, featuring a display format similar to that found in math textbooks. It has 605 advanced functions, including 79 built-in constants and 172 patterns for unit conversion. The silver metallic finish of the upper casing and its sleek, compact design emphasize its professional appearance. The LC display measures 60 mm x 25 mm. The calculator is suitable for both students and teachers, engineers, and any professional use. Additional features include 19 memory slots, a 4 x 4 dot matrix, and numerous equation operations, making this calculator one of the most powerful models in its class. All functions facilitate complex mathematical calculations.