Datexx DS-883 889-Function Graphing Scientific Calculator Consider it as an alternative to the TI-83, and over 40% lighter Light battery consumption Ideal for high school and college students Perfect for: algebra 1 and 2, trigonometry, calculus, biology, chemistry, physics and statistics Permitted on College Board Exams: SAT I, PSAT/NMSQT, AP Calculus, Chemistry and Statistics, SAT II Math IC, IIC, Physics and Chemistry