Texas Instruments TI-108 Simple Calculator Teacher pack. A durable, low-cost calculator designed to introduce students to basic arithmetic and calculator functionality. Learn to navigate a calculator keyboard quickly. Even the youngest learners can master the TI-108 keypad quickly. The color-coded keys are grouped by related function and the calculator features an extra-large equal key for ease of use. For safety and to prolong the service life of the calculator, the plastic keys are tamperproof and cannot be removed. Perform addition, subtraction, multiplication and division. Contents:10 TI-108 Simple Calculators, Storage caddyTeacher's guideCalculator poster