http://www.fixya.com/tags/ti_89Unsolved technical support problems provided by FixYa users.en-usCopyright (c) 2007 FixYa, LTD. All rights reserved.info@fixya.comThu, 24 Dec 2009 02:25:50 GMT80http://www.fixya.com/support/t148093-illegal_instructionAs long as the batteries are in my ti-89 titanium, on the very top of the screen it says "illegal instruction." The screen is ALWAYS on as long as the batteries are in. When I take them out, it turns off. When I put them back in, it gives me the...Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t152257-ti_89I am having a difficult time getting my calculator to give me appropriate answers when using the tan key. I have read that my problem could be from having the calculator set in radians instead of degrees. I cannot seem to figure out how to change...Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t134175-derivativesI am having trouble finding derivatives. Even when I follow the instructions in the users mannuel (pg. 52) exactly, I am getting an error message [Error: Non-algerbraic variable in expression]. I get the feeling I have messed up some kind of setting...Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t568423-ti_89_gives_error_undefined_variableFor example, it will not let me graph equations such as y=x and y=3x+3. Anything with a variable does not work.Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t1381611-log_buttonwhere is the log button on the ti-89Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t600379-factoringwhen i try to factor something like x^2+5x+7 where the roots are not whole numbers, my ti 89 wont factor it. It just spits out the equation you just typed in. I know ive done it before and am wondering if i changed a setting or somethingThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t517820-gamescan a ti 89 have games on itThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t403621-use_ti_89how to use ti 89 with a problem like "-(3x+1)-(4x-7)=4-(3x+2)'Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t233554-ti_89_titaniumDropped TI-89 TItanium from about 3 feet to hard floor. Screen diagonally cracked where works normally on one half and the other half of the screen is blank. No problems with functioning otherwiseThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t634667-ti_89_titanium_screenHi, What would the cost be to just replace a screen on the TI-89 titanium. It looks like a student hit the screen with a nail or pen and there is a hole in it. The calculator works fine, but I need to know what to charge the student for a repair...Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t1971962-when_divide_integers_calculator_willwhen I divide integers, the calculator will not display a decimal answerThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3180548-need_reset_ti_89_titaniumI need to reset my TI-89 TitaniumThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3396052-5x_6y_945x=6y=94Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3178076-stat_list_keeps_showing_domain_error_tistat list keeps showing domain error ti 89Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3318876-ti_89_detected_but_couldnt_get_statusti 89 detected but couldn't get statusThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t2946894-once_ti_89_titanium_gets_stuck_menuonce on, my ti 89 titanium gets stuck on the menu. no keys are responsive, and the 2nd key and diamond freeze it on ''busy''Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t2992160-when_turn_switch_ti_89_titanium_notI have used my ti-89 titanium for some years. As the screen becomes dark, I thought that the batteries are low. After installing the new four alkaline batteries and new Lithium battery in ti-89 titanium, I press the key: "ON", but the display of...Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3000920-set_ti_89_titanium_factory_settigngshow do i set my ti 89 titanium to factory settings. so it was like i just got it out of the package.Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3009348-ti_89_titanium_frozen_table_setupMy TI-89 Titanium is frozen on a table setup window, and i can't do anything to get out of the screen. when i push any button, the cursor will blink once, but nothing happens or changes... Is this fixable?Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3015325-ti_89_titanium_staymy ti-89 titanium won't stay on.Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3051023-cannot_connect_ti_89_computercannot connect ti 89 to computer. I have installed the correct software from the ti 89 website for my computer and my calculator when I satart ti 89 connect it tells me there is an error.Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t3099293-ti_89_turn_even_w_new_batteriesIt's pretty new. I lent it to a friend and now it won't turn on, even when I put in new batteries.Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t1804767-8925_keyboard_not_working8925 keyboard not workingThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t1750742-tried_updating_os_ti_89_titaniumI tried updating the OS on my TI-89 Titanium and when it was done, my screen only shows a black bar going across the top. What has happen and how do i fix it?Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t1934139-ti_89_titanium_calc_purchased_in_octThe TI-89 Titanium Calculator will not turn on suddenly. The batteries are brand new so I ruled that out. What else could it be???? Thanks for your expert advice.Thu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t1935035-ti_89_titanium_got_fallen_black_stuffmy TI-89 Titanium got fallen and it had to black stuff at the top right hand corner. I wonder if i can call the company and get it fixed, I wonder about the warranty of my calculatorThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t1615928-restore_ti_89_titanium_clacI got a used TI-89 and i just want the default settingsThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t2153629-flashing_screenthe screen is flashing and will not let me enter anything ? TI-89 TitaniumThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t2329574-type_negative_backslash_ti_89how do i type a negative and backslash on my ti-89 titanium calculatorThu, 24 Dec 2009 02:25:51 GMThttp://www.fixya.com/support/t2356738-in_ti_89_titanium_solve_log_45_or_anyin ti-89 titanium, i cant solve for log(45) or any kind of log because i type log(45) and it appears that the answer is log(45) which i know is1.65321251 .. or i cant solve for cos,sin or tan why?? what do i need to do??Thu, 24 Dec 2009 02:25:51 GMT