![]() ![]() Remove one battery, replace with the new battery, then proceed on to the next battery. ![]() You can also back up the applications and programs on your computer using the TI-Connect software and calculator connector cable, explained here.You can archive your graphing calculator programs and applications, covered in more detail in these articles for the TI-83 and TI-84 Plus and the TI-89 or Voyage 200.Before changing the batteries, it is a good idea to backup any calculator programs you have to avoid potentially losing them, although with good practice this is usually not an issue. In most cases, you will only need to change the set of AAA batteries. ![]() On the TI-83, TI-84, and TI-89, if you look at the backside of the calculator and remove the battery cover, you will notice a small cover held in place by a single screw (#1 in the image to the right) which houses the backup battery, and four visible AAA batteries (#2). Your Texas Instruments graphing calculator has two sets of batteries: a standard set of AAA alkaline batteries for day to day calculator use, and a lithium or silver oxide backup battery which is used for powering the calculator’s memory when the AAA batteries are removed. Notice the location of the backup battery (1) and standard AAA batteries (2) on this TI-83 Silver Edition
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