Texas Instruments Ti-83 Graphing Calculator Product Description Perhaps if we'd had this calculator in high school we would have done much better in trigonometry. The Texas Instruments TI-83 is an ideal unit for any math student, combining powerful features for graphing and statistical analysis. The LCD screen displays 16 characters over 8 lines. Though the TI-83's keyboard layout might seem daunting to those who've never laid eyes on a graphic calculator before, the helpful, if intimidatingly thick, manual will get you up and running quickly. The TI-83 includes function, parametric and polar, and sequence plot modes. You can store, graph, and analyze up to 10 functions, 6 parametric and polar functions, and 3 sequence functions. The TI-83's Draw operations allow you to annotate graphs. Along with the advanced math and science features, the TI-83 also includes such financial functions as cash flow, amortization, and time value of money. The included input-output cable lets you link the TI-83 with another TI-83 or a TI-82 for data sharing, and the optional TI-Graph Link software lets you transfer files to a PC. Amazon.com Perhaps if we'd had this calculator in high school we would have done much better in trigonometry. The Texas Instruments TI-83 is an ideal unit for any math student, combining powerful features for graphing and statistical analysis. The LCD screen displays 16 characters over 8 lines. Though the TI-83's keyboard layout might seem daunting to those who've never laid eyes on a graphic calculator before, the helpful, if intimidatingly thick, manual will get you up and running quickly. The TI-83 includes function, parametric and polar, and sequence plot modes. You can store, graph, and analyze up to 10 functions, 6 parametric and polar functions, and 3 sequence functions. The TI-83's Draw operations allow you to annotate graphs. Along with the advanced math and science features, the TI-83 also includes such financial functions as cash flow, amortization, and time value of money. The included input-output cable lets you link the TI-83 with another TI-83 or a TI-82 for data sharing, and the optional TI-Graph Link software lets you transfer files to a PC. Product Features High contrast display Many graph styles to choose from Use side-by-side with the TI-83 Advanced statistics and finance Input/Output port Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!