# ALGEBRA AND PRECALCULUS ON THE TI-89

May 28th, 2015
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If you set your calculator to Automatic mode:To get the exact answer, just press Enter. To get a decimal answer, press Green Diamond Enter. Note: The commands to solve, factor, etc., are found in the F2 (Algebra) menu, as well

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ALGEBRA AND PRECALCULUS ON THE TI-89If you set your calculator to Automatic mode:To get the exact answer, just press Enter. To get a decimal answer, press Green Diamond Enter.Note: The commands to solve, factor, etc., are found in the F2 (Algebra) menu, as wellas in the Catalog. You can also type the command in alpha.Calculator Lay-outF1 F5 keys2nd function, Green Diamond, Purple Alpha keysHome, Mode, Catalog, Backspace,x, y, z, t (not in purple alpha) 2nd functions are sin, cos, tan= key (so we can solve equations)when (or such that) keyKeys we have: , i, , eSurprising keys we dont have: x2, log(base 10)Home Screen Math (no menus)problem2^100+2x + 3x2x + 3xx = -32x + 3xx = a6 x2x + 3xF6 Clean Up2x * 5x220x7/(8x10)result1267650600228229401496705/45x-155a63010x352x 3(x - 4)/(3x 6) + 2/(3x 6)(243)

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