Casio Fx991ms Scientific Calculator

That's correct! The Casio fx-991MS calculator is a non-programmable scientific calculator that has a wide range of functions, including trigonometric, statistical, integral, differential, matrix, and vector calculations. The dot-matrix display makes it easy to enter and view complex algebraic equations, and the calculator is designed with wear-resistant printing and a durable, drop-resistant body. One of the advantages of the Casio fx-991MS calculator is its dual power source, which includes solar power for use in bright lighting conditions and a battery backup for use in low-light environments. This means that you can use the calculator in a variety of settings, including classrooms, laboratories, and outdoor environments, without worrying about running out of power. Additionally, the calculator's sleek and attractive design makes it a popular choice among students, engineers, and scientists.