From the kitchen table to the playground, children are intrigued by their world. The TI-15 Explorer is a pedagogically sound tool that helps students make connections between classroom learning and real-world situations. 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. Ideal for introducing the relationship between fractions, decimals and percents. Helps develop skills in addition, subtraction, powers, and answer format. Easy-to-read 2-line display with 11 digits per line. Automatically shuts off to conserve power. Color-coded keys make it easier for children to understand. Texas Instruments(R) TI-15 Calculator, Blue is one of many Scientific Calculators available through Office Depot. Made by Texas Instruments.