Scientific calculator offers a large LCD two-line alphanumeric display. Features 10-digit mantissa and two-digit exponent. Performs four basic functions with memory and 154 preprogrammed functions including fractions, logarithms, reciprocals, powers, roots, factorials, trigs and hyperbolic trigs, degrees, minutes, seconds and decimal to degree conversions. Calculates mixed fractions. Scientific calculator includes protective hardshell slide case. Solar powered with battery backup.