{"product_id":"refurbished-texas-instruments-ti-89-titanium-graphing-calculator-with-usb-programming","title":"Refurbished Texas Instruments TI-89 Titanium Graphing Calculator with USB \u0026 Programming","description":"Refurbished Texas Instruments TI-89 titanium graphing calculator packaging may differ. Includes battery cover and USB only. The TI-89 Titanium lets you perform basic math, algebra, calculus, graphs, matrices, and statistical functions creating animations, graphing 3-D rotations, and plotting contours. Graphing functions include basic function graphing, parametric graphing, polar graphing, sequence graphing, 3-D graphing, and differential-equation graphing. Additionally, the TI-89 Titanium includes symbolic manipulation, constants, and measurement units, statistics and data plots, a numeric solver, a text editor, programming capabilities, tables, a split-screen function, variable management, and the ability to link to other Calculators or a computer. The TI-89 Titanium's flash technology allows upgrading to future software versions without having to continually invest in new calculators.\u003cul\u003e  \u003cli\u003e188 KB RAM and 2.7 MB flash memory for speed\u003c\/li\u003e  \u003cli\u003ePlenty of storage for functions, programs, data\u003c\/li\u003e  \u003cli\u003eLarge 100 x 160-pixel display for split-screen views\u003c\/li\u003e  \u003cli\u003eUSB on-the-go technology for file sharing with other calculators and connecting with PCs\u003c\/li\u003e  \u003cli\u003eMatrix operations include inverse, determinant, transpose, augment, elementary row operations, and reduced row echelon form; matrix elements can be real or complex and numeric or symbolic\u003c\/li\u003e \u003c\/ul\u003e","brand":"Texas Instruments","offers":[{"title":"Default Title","offer_id":62118140575884,"sku":"286241534","price":137.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/5615\/8604\/files\/7414940f-8873-41c8-9da7-293276716b98.f9e0dfe8d27d2482f61b284fdb60c705.jpg?v=1791042388","url":"https:\/\/exclusiveboxes.com\/products\/refurbished-texas-instruments-ti-89-titanium-graphing-calculator-with-usb-programming","provider":"ExclusiveBoxes","version":"1.0","type":"link"}