Question about Texas Instruments TI-30XA Calculator

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How do you replace the batteries

How do you replace the body

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Use a small Phillips screwdriver to open the back of the case.

Posted on Feb 05, 2010

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Installing new battery


Turn the calculator over. Look for some small screws that fasten a 1 or cover to the body of the calculator. Loosen the screws and remove cover. You should find button cell batteries. Before removing them make a note of the sign you see on the batteries (+ or -) while they still in place. Replace the batteries with the same model or equivalent ones. Replace the cover.
For more detailed instructions consult your calculator's manual.

Jan 09, 2014 | Casio MS-80TV Scientific Calculator

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Change cr2032 battery


It should be marked on the calculator body or inside the battery compartment cover. In my experience the positive side has always been up. But who can be sure. Besides you do not even say what model and make.

Oct 13, 2013 | Calculators

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HOW TO COMPUTE OR PROCESS TO GET THE BODY MASS EX. WIEGTH 30 HIEGHT 1.65 WHAT IS THE BODY MASS HOW TO SOVLVE


The Body-Mass-Index is the mass in kg of a human body divided by the square of its height in meters.
For your example 30 kg weight, 1.65 m body height you'll calculate:

30 / (1,65 * 1,65) = 30 / 2,7225 = 11.02.

If these values are true for your own body, you definitely should seek medical help.

Jul 19, 2011 | Calculators

1 Answer

48GX has been idle for 4 years.Wont turn on. Is there an internal battery that I can replace?


The 48GX runs on three AAA type alkaline batteries. However, if the device was unused that long, the button cells used for backing up the RAM cards may also be depleted, and the calculator will report "low battery" displaying the ((.)) symbol, even with fresh AAA cells installed.

The RAM card mounted batteries are type CR2016.

Main batteries:
  • Remove the calculator battery compartment door by pressing down and sliding it off away from the calculator.
  • Turn the calculator and shake the batteries out.
  • Replace with a fresh set of AAA alkaline batteries. Polarity is marked on the bottom of the battery compartment.
  • Replace the battery compartment door by sliding it back in place.
RAM card batteries:
  • Turn the calculator over and remove the plastic cover over the plug-in card ports (display-end of the calculator).
  • HP recommends to turn on the calculator while replacing the RAM card battery to avoid memory loss. I assume, your HP48GX has no marbles to recover by now anyway, so it does not matter, I guess.
  • Near the left side of the end of the card. you'll find the nail grip in the black plastic battery holder. Use a thumbnail to gently pull out the battery holder. There is one battery in each card (additional cards are options).
  • Remove the old battery from the holder and replace by a new CR2016 button cell. The "+" side of the battery should point into direction of the calculator's front.
  • Re-insert the holder with the new battery and check the RAM card is properly seated still.
  • Close the compartment by sliding back in the cover.

Jan 11, 2011 | HP 48gx Calculator

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Dear Sir/madam: The wire coil that holds batteries in place is corroded and one of them is broken. The calculator works when I put the battery in and the broken coil touches the potion left in the body of...


As long as there is a small metallic part fixed in calculator body you can find a workaround. Cut a piece of aluminum foil or other thin sheet of metal that you can easily fold and stuff it between the battery and the remnant of the coil. Do not let it touch neighboring batteries.
If the broken coil has enough wire left in it you can also stretch it a bit to improve contact.

Sep 01, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

I have a TI-82 how do you replace the battery.


Push down the tab and lift off the battery cover on the back of the calculator.

To replace the four AAA batteries, simply pull them out and put in new ones, following the polarity indicators. To replace the backup battery, unscrew the cover, pull out the battery, put in the new one, and replace the cover.

Jul 17, 2010 | Texas Instruments Calculators

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

2 Answers

Turn-on woes My TI83 will not turn on. Batteries new and installed correctly. What gives? Khumalo


Take out the AAA batteries and hold the on/off key for thirty seconds. Replace the batteries and it should come on. If it doesn't remove the backup battery and the AAA batteries and hold the on/off key for another 30 seconds. Replace all batteries and turn it on again.

Oct 13, 2008 | Texas Instruments TI-83 Plus Calculator

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