Scientific calculator, now with 2-line LCD display. 10 digit accuracy, 1 independent memory and 6 constant memories, performs operations in familiar MDAS order. Fixed decimal option 18 levels of parentheses, change improper fractions to mixed numbers, change fractions to decimals, fixed decimal capability, trigonometric functions, hyperbolic functions, degrees, radians grads. VPAM, DRG conversions, one variable statistics, standard deviation, permutations and combinations, automatic power shut off. Dual power (solar/battery). Includes slide on hard case with quick reference card.