Casio FX300MSPLUS2 10-digit, 2-line scientific calculator features a large display that shows the problem as you write it, and then shows the answer alongside. Solar-powered design with a battery backup allows convenient operation in nearly any setting. Hard case protects the display and keys for safe storage and transportation. Calculator is perfect for general math, pre-algebra, algebra 1 and 2, geometry, trigonometry, statistics, science, biology and finance.