Basic scientific trigonometric & hyperbolic functions. Multi-line screen for illuminating patterns or differences in maths or even seeing previous calculations. Two-variable statistics: Enter/delete/insert/edit individual statistics data elements. Equation Recall feature allows recalling, viewing, editing & correcting previous entries & statistical data. Allows operations with fractions & decimal views. Data editor for entering lists of data. List function: to apply a function to a list of values. Radicals shown, to work with simplified radicals & to rationalise the denominator. Exponents with superscript notation. Conversion empowered with Mode Menu: to view different view modes of degrees, notations, floating point. Scientific notation. Work with variables & allows the user to store data on them. All the familiar capabilities of current TI scientific calculators plus a host of powerful enhancements. Designed with unique features that allow you to enter more than one calculation, compare results & explore patterns, all on the same screen. Ideal for: Geometry General Math Statistics Pre-Algebra Algebra 1 & 2 Trigonometry General Science Biology Display Math Notation Enter & view calculations in common Math Notation via the MATHPRINT mode, including symbolic pi, stacked fractions, exponents & exact square roots. Up to 4 lines of Display Ability to enter more than one calculation, compare results & explore patterns, all on the same screen. Toggle Key Quickly view fractions & decimals in alternate forms. " Toggle" the answer with one button to see outcomes in different representations, including changing answers between the exact form of fractions, pi terms & square root expressions, where possible, into decimal approximation format. Scrolling Scroll through previous entries & investigate critical patterns as well as viewing & pasting previous entries or answers into a new calculation. Additional Features Menus Easy to read & 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 & perform fraction computations & explorations in familiar textbook format. Scientific Notation Output View scientific notation with the proper superscripted exponents & see the output in scientific notation. Table feature Students can easily explore an (x, y) table of values for a given function, automatically or by entering specific x values. Dual Power (solar & battery)