Casio has packed graphing power into a compact affordable unit. The 7400G PLUS was designed to work with the NCTM standards at a price that puts graphic technology in the hands of every student. And its powerful features don't stop there - you can link the FX-7400G PLUS to the Casio EA-100 Data Analysis System or your PC to bring the world into your classroom, and take your classroom out into the world. Features: Fraction operations include conversion of fractions, mixed numbers and decimals Advanced functions available through on-screen, soft key menus Calculations performed with numbers or Lists of numbers 15 digit calculation accuracy with 9 digit mantissa and 2 digit exponent display Calculations are performed according to standard (M-D-A-S) order including parenthesis Up to 10 functions can be stored, graphed, traced and analyzed at the same time 10 Zoom features including storage of 4 user defined view windows Create table of values from given functions and generate plots and graphs from tables of values Graph functions over user defined intervals to examine piecewise continuity Single and double variable list-based statistics calculations including descriptive values and linear, quadratic, logarithmic, exponential and power regressions Single and double variable statistics graphing including box and whisker plots, median-median lines, histograms, scatter plots, X-Y lines, broken lines, regression curves 3 Statistical graph memories store graph definitions List editor creates, edits and manages 6 separate data lists Data can be exchanged between list and table modes Sketch feature draws lines, points, horizontal lines and vertical lines on any graphic display Up to 4 pictures can be stored, and used as backgrounds for comparing graphs Up to 38 programs can be stored with size only limited by available memory Basic-like programming language includes conditional (if, then else) jumping (go to, label) and loop (for, while) commands 8KB of memory available Last answer recall stores the previous answer for compound calculations Memory is maintained even if the unit is turned off Powered by 2 AAA batteries and 1 lithium backup battery to preserve memory during battery changes Overhead model available for classroom use Teacher Packs of 10 calculators available Comprehensive guidebook and batteries included Hard-plastic keys and slide case resist abuse Free application based newsletter One year limited warranty Toll-free hotline