Texas Instruments TI-30XIIS Scientific Calculator Solar‎ Battery Handheld Cover

Brand: Texas Instruments  Model: TI-30XIIS scientific calculator, handheld dual-power unit designed for general math, algebra, trigonometry, and science coursework.  Condition: Used working calculator with cosmetic wear including visible scratches and scuffs on the plastic housing, back, and slide-on cover.  Color: Dark navy/charcoal front and back case with light gray number keys and dark blue function keys; matching dark blue TI-branded hard protective slide cover with math graphics.  Features: 2-line display, dedicated keys for fractions, statistics, trigonometric and logarithmic functions, memory operations, and mode controls for degrees/radians and scientific notation.  Power Source: Integrated solar panel on the front plus internal battery backup for reliable operation in varied lighting conditions.  Back panel includes a molded regulatory label with product information and code K-0906H, along with a recessed reset button access point.  Includes: TI-30XIIS calculator and TI slide-on hard cover only; original packaging, manuals, and additional accessories are not included.