Texas Instruments TI-15 Explorer Calculator: * The TI-15 Explorer combines the fraction capabilities of the Math Explorer with a two-line display, problem solving, place value and more * When the TI-15 Explorer is combined with traditional learning tools, it helps students explore their world through investigation and experimentation, and helps develop skills in addition, subtraction, powers, and answer format * The Explorer calculator has a scrolling display that shows 11 digits on both the top and bottom lines * Previous entry feature lets you review previous entries and results and look for patterns * Stacked fractions feature shows operations with stacked fractions or mixed numbers * Menus let you select the right settings for your classroom needs * Division: display results as quotients and remainders, fractions, or decimals * Place value feature helps develop an understanding of place value * Problem solving feature lets you or the calculator create problems * Guess a solution, review hints to check your guess, then guess again * Many additional educational features