Question about Texas Instruments TI-30XA Calculator

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Battery installation for TI-30Xa

How is the battery installed. Do I need to unscrew the back plate?

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  • Anonymous Dec 03, 2008

    Yeah, I ran out of batteries too. Can someone else post a response that ISN'T IN CAPS?

    kthxbai


  • Anonymous Dec 04, 2008

    will not work

  • Anonymous Dec 08, 2008

    Don't know how to change batteries

  • Anonymous Mar 26, 2009

    I unscrewed the back and can't get the cover off. It seems strange that it would be so hard to change a battery. I think Texas Instruments just wants us to throw them away. How is this good for our environment? Help, how do I get to the batteries?



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My calculator back was stuck to the front...had to pry it off, but eventually it came off and I could get to the batteries.

Posted on Jan 04, 2012

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The battery is EPX76 (it uses 2)

This page describes how to get into the calculator to replace them;
http://tutorialninjas.net/2007/05/04/replacing-the-battery-in-your-ti-30xa-calculator/

The batteries can cost as much as $5 each, a new calculator can be as low as $10

Good Luck!

Posted on Dec 31, 2009

  • blackcow Jan 16, 2011

    EPX76 is a silver oxide 200mAH battery. The original batteries were alkaline, and alkaline should last a fairly long time in this calculator.

    You can get 76A Duracell Medicals for $1.99 ea at Office Depot (as of the date of this post), you might be able to find them cheaper at another source. The 76A is an alkaline and should work just fine in this calculator. Also PX76A is another alkaline subtitute that should work well.

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YES YOU HAVE TO UNSCEW THE BACK

Posted on Dec 02, 2008

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1 Answer

Calculator will not turn on. How do you replace the battery? it is a TI30xa


The TI-30Xa uses two A-76 lithium batteries. Comparable battery model numbers include:

Duracell® D357
Eveready® 357
Maxell® LR44
Varta® V13GA

To replace the batteries:

• Remove slide cover. Place calculator face down.
• Using a small Phillips screwdriver, remove screws from back case.
• Remove back case.
• Remove discharged batteries.
• Install new batteries positive side up, as shown on diagram inside case.
• Run a coin across the reset pad on the upper right hand corner of the printed circuit board.
• Replace back case, and then replace screws.
• Press [OFF], [ON/C], [ON/C].

Note: The calculator cannot hold data in memory when batteries are removed or become discharged.

Feb 16, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

I have an old TI-30 purchased about 1985 or so. Is it still possible to buy a rechargable battery for it? is so, how and where do I do it?


TI-30Xa uses two A-76 lithium batteries. You can use a Duracell D357 battery, or an Eveready 357 battery.
Using a phillips screwdriver, remove the screws from the back case. Remove the back case.
Remove the discharged batteries.
Install the new batteries with thepositive side up, as shown on the diagram inside the case.
Run a coin across the reset pad on the upper right hand corner of the printed circuit board.
Replace the back case
Replace the screws. Press [OFF], [ON/C], [ON/C].

Dec 07, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

How do you open a TI-30Xa in order to replace the battery?


To replace the batteries:

• Remove slide cover. Place calculator face down.
• Using a small Phillips screwdriver, remove screws from back case.
• Remove back case.
• Remove discharged batteries.
• Install new batteries positive side up, as shown on diagram inside case.
• Run a coin across the reset pad on the upper right hand corner of the printed circuit board.
• Replace back case, and then replace screws.
• Press [OFF], [ON/C], [ON/C].

Note: The calculator cannot hold data in memory when batteries are removed or become discharged.

Oct 07, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

The batteries aren't working anymore, how do you replace them?


  • Remove slide cover. Place calculator face down.
  • Using a small Phillips screwdriver, remove screws from back case.
  • Remove back case.
  • Remove discharged batteries.
  • Install new batteries positive side up, as shown on diagram inside case.
  • Run a coin across the reset pad on the upper right hand corner of the printed circuit board.
  • Replace back case, and then replace screws.
  • Press [OFF], [ON/C], [ON/C].
The TI-30Xa uses two A-76 lithium batteries. Comparable battery model numbers include: Duracell® D357 and Eveready® 357

Aug 12, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

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

    1 Answer

    How do you get it apart, to replace the battery?


    To replace the battery on a TI-30XA, you'll need a Phillips screwdriver with a small head.

    First, take off the cover and turn the calculator over so you're looking at the back. Then take out the screws that are holding the back of the case on, and place them somewhere safe.

    You should now be able to see the old batteries; remove them and dispose of them properly. There is a diagram on the inside of the case showing how to install the new batteries -- put them in according to the diagram. Then reattach the case and screw it back on.

    Turn the calculator over so you're looking at the front side, then press OFF, then ON/C, then ON/C again. Verify that the calculator turns on and everything works okay.

    Jun 29, 2010 | Texas Instruments TI-30XA Calculator

    1 Answer

    It doesnt work. Does it have a battery to change


    Yes it does.
    This website shows the battery replacement.
    moz-screenshot.pngThe pictures seem to be right to left.
    1. Unscrew the back
    2. Separate the back from the front
    3. Remove and replace the batteries

    Mar 30, 2010 | Texas Instruments TI-30XA Calculator

    1 Answer

    How do I reset the calculator after installing new


    [OFF] ON/C] clears display, errors, all pending operations, constant calculations K, and STAT, but not M1, M2,and M3. Sets DEG angle units, floating-decimal format.
    To clear memory M1 : Store 0 in 1
    0 [STO] 1 clears M1
    0[STO] 2 clears m2
    0 [STO] 3 clears M2

    Feb 03, 2010 | Texas Instruments TI-30XA Calculator

    3 Answers

    Need to replace battery on TI-30XA. What is No.


    It's cheaper to buy the new one. On amazon they are pretty cheap. take a look Amazon com TI 30X. cheers

    Aug 24, 2009 | Texas Instruments TI-30XA Calculator

    1 Answer

    Batteries


    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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