Question about Texas Instruments TI-30XA Calculator

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Texas Instruments TI-30XA Non-Solar battery replacement

I unscrewed the back, and popped open the top and bottom, but it stops opening 4/5 the way up the calculator.

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Yes, you must apply quit a bit of pressure to open it up. The light grey piece will separate from the dark grey. There are 2 batteries. Watch out for the batteries flying when pulling apart and there is also a plastic washer that goes underneath the battery where it makes contact.

Posted on Nov 19, 2009

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I really had to "yank" mine apart. I thought I was going to break it but didn't.

Good luck.

Posted on Jun 30, 2009

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My batteries were fine but the LED display was jammed so it needed to be reset. This can be done either by removing and reinserting the batteries, or by shorting out the reset board. In either case, the back will need to be removed. After I removed the 6 small Phillips screws, I used a small flathead screwdriver (jeweler's size) to pop the two tabs apart on the top of the calculator. I then slid the edge of the screwdriver along one side of the calculator and then the other. The back came off rather easily in this manner.

Posted on Dec 18, 2010

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How do I convert from decimals to fraction with my TI-30X IIS calculator? I need the step by step process

The following examples will demonstrate how to convert decimals into fractions using the TI-30Xa and TI-30Xa Solar. Please be aware that TI-30Xa Solar School Edition calculators do not have this functionality.

Example: Convert .25 to 1/4
- Input .25, press [2nd][<--] (says F<>D above it).

** F<>D means fraction to decimal, decimal to fraction.

Example: Convert 1.38 to 1_19/50

- Input 1.38, press [2nd][<--].

Example: Convert 9.75 to 9_3/4

- Input 9.75, press [2nd]{<--].

Mar 08, 2011 | Texas Instruments TI-30XA Calculator

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Can I do numbers squared on this calculator, and how would I enter this?

The TI-30XA is a scientific calculator with many functions. You can calculate problems with fractions and decimals, as well as solve problems of probability and functions. A scientific calculator computes the number sentence you type in using the order of operations: parentheses first, then roots and exponents, then division and multiplication and, finally, addition and subtraction.
How to Use a TI-30XA
  • Step 1Press the [ON/C] key to turn on the calculator. Press the [OFF] key to turn it off. To use the calculator in solar mode, put the solar panel in the light and then press the [ON/C] key. To turn it off when in solar mode, slide the calculator cover back on and it will automatically shut off.
  • Step 2Replace the batteries by first removing the cover and placing it face down. Use a Phillips-head screwdriver to unscrew the back panel. Remove the back panel and change the batteries. Screw the back panel back on. Press [OFF] [ON/C] and [ON/C].
  • Aug 08, 2010 | Texas Instruments TI-30XA Calculator

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    My texas instruments ti-30Xa doesn't turn on!

    It is battery powered. You simply need to replace the battery. This website may help you.

    Aug 03, 2009 | Texas Instruments TI-30XA Calculator

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    Replacing battery onTI-30xa

    I have the battery powered TI-30xa and I didnt press anything when I was done.
    1) opened the back by taking out the screws
    2) took out the old batteries
    3) put in the new batteries
    4) closed the case and put the screws back in
    5) it has worked great since.

    Mar 25, 2009 | Texas Instruments TI-30XA Calculator

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    Unscrew the six small screws on the back with a small phillips cross head screwdriver (an eye glass screwdriver works fine), then carefully prise off the back using a flat blade in the two slots at the top of the calculator.

    Keep it upside down or the display will fall out!

    You'll see the two 1.5 volt alkaline batteries there, GPA-76 type (flat, round) in mine. Ease them out carefully and replace them, positive side up.

    Alternative battery codes (manufacturer dependent) L1154, AG13, GA13, AG76, GP76A, 675HR, LR1154, LR44 per battery web sites, maybe others.

    Make sure batteries are seated and display is in its correct position, replace back cover and six screws.

    Caveat 1 : You can buy the TI-30XA for about $10-$13 at Staples/Amazon, two batteries will set you back around $5-$7!! But they last a couple years even with heavy use. TI-36X and TI-30X IIS are better calculators and have solar cells as well.....but about twice the price at $17-$25.

    Caveat 2: I had one of these where the display faded, replaced batteries, did nothing because circuit board or display was bad. So you could replace batteries and waste the time/money.

    Nov 19, 2008 | Texas Instruments TI-30XA Calculator

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    TI-30XA Calculator Problem

    I carefully and slowly pried mine open with a flat head screw driver, starting at the side of the top end.

    Oct 27, 2008 | Texas Instruments TI-30XA Calculator

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    Calculator won't come on

    most calculators have solar power strips on top so if there is no strip its not solar. there should be a plate on the back if there is a screw you found the batterie area put a few calculators have to be pride open to get to the batteries but it usily depends on the brand of the calculator.

    Aug 13, 2008 | Texas Instruments TI-30XA Calculator

    2 Answers


    1. Using a small phillips head screwdriver, remove the six small screws off the back. Be careful not to lose the small screws.
    2. Using a small straight head screwdriver, insert it into one of the two slots at the top of the calculator and twist. The top of the calculator should pop open.
    3. Remove the back of the calculator.
    4. Using the straight screwdriver, insert it below the bottom of the two silver batteries and pop the batteries out.
    5. Replace the batteries with two new GPA76 batteries.
    6. Replace the cover and isert the screws.

    Mar 26, 2008 | Texas Instruments TI-30XA Calculator

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