The Casio Taschenrechner FX 350 Ex is a scientific calculator designed for students, teachers, and professionals. With a sleek black design and compact dimensions of 16.6L x 7.7B cm, this calculator is made of durable plastic material. This model was released on December 2, 2016, and operates on 1 AAA battery (included). The Casio brand is known for its quality and reliability in the field of scientific calculators, making the FX 350 Ex a valuable tool for various calculations and educational purposes.