Previous Entry - Lets you review previous entries and look for patterns. * Menus - Easy to read and navigate pull-down menus similar to those on a graphing calculator. All mode settings are located in one central place, the mode screen. * Fraction features - View and perform fraction computations and explorations in familiar textbook format. * Scientific Notation Output - View scientific notation with the proper superscripted exponents and see the output in scientific notation. * Table feature - Easily explore an (x,y) table of values for a given function, automatically or by entering specific x values