Enhance your mathematical abilities with the Texas Instruments TI-30X IIS Scientific Calculator Solar. This pocket-sized calculator is equipped with regular key size and display size, making it easy to operate. Perfect for both financial and scientific calculations, it runs on solar power, eliminating the need for batteries. This model, made in China, comes with a manual and a cover for protection. It has not been modified and does not contain any harmful chemicals, as indicated by the California Prop 65 Warning. Get this reliable calculator from a trusted brand, Texas Instruments, and solve equations with ease.