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Texas Instruments TI-89 Graphing Calculator - New and Used Item IN STOCK and in good condition. Previously used items have been fully tested and include a 90 day exchange warranty. Items ship with all needed software and accessories. Since this is a used Item, it may show some minor signs of use but should not affect performance. Manuals can be downloaded below.
Product Details -Investigating Calculus with the TI-89 develops fundamental concepts of differential and integral calculus using the TI89.
20 explorations contain complete, ready-make instructional lessons, step-by-step keying sequences, detailed solutions, historical anecdotes and humor
Complete ready-made instructions; Step-by-Step Keying Sequences; Historical Anecdotes & Humor; Detailed Solutions