New 2-line display. Dual power:solar and battery. View entry and results at the same time. Edit current entry. Edit and view previous entries. Menus with functions and mode settings. Five variable memories. One and two variable statistics, results, for linear transgression, trend-line. Fractions and fraction/decimal conversions. Trigonometric functions in degrees and radians.You will not be disappointed with Texas Instruments Ti-30x IIS 2-line Scientific Calculator - Lime Green
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