Two-line Advanced Scientific Calculator is ideal for general math, Algebra 1 and 2, biology, statistics, trigonometry, and geometry. 280 functions include fraction/decimal conversions, five variable memories, polar/rectangular conversions, common and natural logarithms, universal powers and roots, trigonometric functions and degrees and radians, grads and hyperbolics, degrees, minutes, seconds/decimal degree conversion, and reciprocals and factorials. Calculator offers two-line scrolling display with 10 digits and runs on solar and battery power (LR44).