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. Operate in low light without batteries: ANYLITE solar technology delivers steady; reliable power so students never have to worry about a battery running out in the middle of class or homework. Specifications: Perform addition; subtraction; multiplication and division. Enter automatic constant for all four operations. View percents; square roots and negative numbers. Three-key memory. Clear last entry and/or all entries.