Ideal for mathematics and science students / Library of 29 physical constants / 256KB Built-in Memory / Plastic top material / 4x AAA and CR2032 Batteries # The HP 39gs Graphing Calculator is ideal for the activities and workload of secondary mathematics and science students; providing symbolic, numeric and graphic views, plus easy aplet programming. Algebraic Data entry and easy-to-use interactive tools allow for greater teaching and learning opportunities. Ideal for mathematics and science students, it comes loaded with 256KB of Memory so you can save your work for use at any time, and it allows you to easily share data wirelessly (Infrared) with compatible HP calculators, or connect to a PC with the included USB cable. Includes slide-on hard cover for added protection. The HP 39gs is permitted for use on most college entrance exams. Switch between symbolic, numeric and graphic views to enhance learning # Save work and settings as Aplets for later use # Built-in library of 29 constants and easy metric unit conversions - ideal for math and science # Dynamic split screen with adjustable contrast for greater readability # Tackle the toughest problems with 600+ built-in functions plus powerful HP solvers and applications # Easy-to-read keys and menus that are grouped together for fast access # Data entry in simple algebraic notation that looks and works just like equations written on paper # 256KB of built-in memory - See notes, sketches, equations, formulas, graphs and even Aplets # Display modes include standard, proper and mixed fraction, scientific, fixed and engineering # System Flash ROM for future electronic system upgrades # Algebra features: factorization, expansion, substitution, systems of linear equations, linear algebra, and matrices # Trigonometry (trig and hyperbolic functions, degrees, radians) # Lists and sequences # Exponential and logarithmic functions # Complex numbers # Descriptive statistics (lists, single and two variable summary statistics, frequencies, regression), data input, editing, plotting and viewing has never been easier # Use sample data to make inferences using hypothesis tests and confidence intervals # Dimensions: 18.7x9.4x3.1cm # Weight: 249 grams