Victor 940 10 Digit Advanced Scientific Calculator with 2 Line Display, White 10 digit 2 line disply for easy viewing 240 functions including quadratic and cubic equations, coordinate conversion, trigonometric functions in degrees and radians, fractions, reciprocals, factorials, basic scientific functions Dual powered with solar panel and battery back up Clean white design with hard protective case for long term use Designed for students in General Math, Algebra 1 & 2, Science, Statistics, Trigonometry, and Geometry