Experience seamless and efficient calculation with the Casio FX-300s The Educator OH-300s Overhead Calculator. Designed to cater to both students and professionals, this solar-powered calculator offers a large display for clear visibility of your figures and results. Its handheld size ensures portability and convenience, whether you're working on complex equations or simple arithmetic. The FX-300s comes with a calculator keeper box feature, ensuring your calculator stays secure and protected between uses. Assembled in the United States, this model is an excellent choice for anyone seeking reliability and ease of use in their mathematical endeavors.