Texas Instruments TI-30XIIS Solar 2-Line Scientific Calculator, Navy

The TI-30XIIS is built around the belief in dual possibilities. You do more than one thing at a time and so should your calculator. That's why this special model comes with 2 line display so that you can see your entries and the results. 10-digit display with 2-digit exponent. Adds, subtracts, multiplies and divides. Fractions entered as they are normally written. Converts between fractions and decimals. Scientific functions includes: Trigs and Hyperbolic Trigs, Logs, Roots and Powers. Standard deviation. Solar powered with durable sliding case.