View multiple calculations and answers as you would write it on paper Easily scroll, review and edit current or previous entries. Features a function table and data/list editor. Great for general math, pre-algebra, algebra I & II, geometry, trigonometry, statistics, general science and biology. 4-line x 16-character, easy-to-read LCD display. MATHPRINT entry and output mode for viewing calculations in math notation. Including answers in terms of pi, square roots and fraction. CLASSIC mode for similar entry and compatibility with previous 2-line scientifics. Toggle key lets you change the form of answers between exact and decimal approximation. Fraction/decimal/percent conversions. Battery powered with solar cell assistance to lengthen battery life. Quick and easy reset of calculator via 2 key press or menu for exam purposes. Hard plastic, color-coded keys. Non-skid rubber feet. Snap-on protective hard case included. Renewably powered - designed to work without relying on an electric connection or disposable batteries, potentially helping you save money.