Texas Instruments TI-89 User Manual - Page 982
Exact/Approx mode, complex numbers - exact complex roots
UPC - 033317196326
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Page 982 highlights
Circular definition 595 clear error, ClrErr 636, 793 Memory error 713, 714 Out-of-memory 273 pass error, PassErr 636, 854 programs 635 transmission 724, 735 warnings 922 Estep window variable 418 Euler method 414, 439 evaluate polynomial, polyEval( ) . . . . 855 EXACT mode status 38 exact( ), exact 817 Exact/Approx mode 166, 188, 203, 240, 241 242, 925 exact/approx mode 18 example changing mode settings 19 editing categories 34 restoring the default custom menu 56 selecting menu options 51 turning off the clock 47 turning on/off the custom menu . . 56 using dialog boxes 54 using the CHAR menu 11 using the keyboard map . . . . . 12, 13 examples, previews, activities 3D graphing 101, 750 additional graphing topics . . . . . 110 angle modes 81 baseball 763 CBL 2 program 761 complex factors 773 complex modulus surface 402 complex numbers 73 complex zeroes 766 constants and measurement units 84 converging web plots 366 cos(x)=sin(x) activity 748 cubic polynomial 766 data filtering 757 data/matrix editor 117 decomposing a rational function . 755 derivatives 79 detecting discontinuities 92 differential equations 105 diverging web plots 368 expanding expressions 76 factorial 73 factoring polynomials 259 Fibonacci sequence 373 finding roots 75 function graphing 86, 89 graphing functions 87 implicit derivatives 79 implicit plots 407 integrals 80 log to any base 81 memory management 138 number bases 136 numeric solver 133 oscillating web plots 369 12