Texas Instruments TI-89 User Manual - Page 989

inverse cotangent, cot 799 inverse hyperbolic cosecant, csch 800 cotangent, coth 799 secant, sech 869 inverse, x 912 iPart( ), integer part 833 isArchiv 833 isArchiv(), is archived 694 isClkOn( ), is clock on 833 isLocked 834 isLocked(), is locked 694 isPrime( ), prime test 834 isVar 834 isVAR(), is variable 694 Item, menu item 622, 624, 834 K key commands keyboard map 12 special characters 10 keyboard 148 2 (second) key 150 7 (shift) key 150 8 (diamond) key 150 j (alpha) key 150 key codes 619 map 10, 11, 656, 657 shortcuts 656, 657 keys function 14 modifier 13 L label, Lbl 593, 609, 616 Labels graph format 316 Language mode 189, 926 language mode changing mode setting 19 viewing 18 last answer 153, 164, 217, 220 last entry 153, 217, 218 Lbl, label 834 lcm, least common multiple 835 Leading Cursor graph format 316 least common multiple, lcm 835 left( ), left 835 left, left 257, 602 left-right split screen setting 59 setting initial Apps 61 status 36 less than or equal 907 less than or equal 604 less than 604, 906 lighter/darker 147 limit( ), limit 835 limit, limit 247, 266, 268 Line, draw line 631, 836 linear regression, LinReg . 547, 837, 945 LineHorz, draw horizontal line . . 632, 836 LineTan, draw tangent line . . . . 632, 837 19