This Texas Instruments TI-307+ Solar Powered Pocket Calculator is a reliable and efficient tool for all your mathematical needs. With its regular key size and battery-powered features, this calculator is perfect for everyday use in the office or classroom. The calculator's display size is regular, and it comes in a pocket-sized unit type that makes it easy to carry around. The TI-307+ model is a basic type of calculator that is perfect for addition, subtraction, multiplication, and division. It is manufactured in China and comes with a unit quantity of 1. This calculator is ideal for use in calculating invoices, tax returns, and other financial transactions. Get your hands on this Texas Instruments TI-307+ Solar Powered Pocket Calculator today and make your calculations easy and effortless.