Question about Texas Instruments TI-30XA Calculator

# Store & Recall Buttons

I can't seem to get them to work--help!

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STO 1 puts the displayed value into memory location 1.

RCL 1 brings the stored value back.

Same for memory locations 2 and 3.

If there's something in memory, M1, M2 M3 will show in the display, clear the memory by storing the value zero.

Note that anything stored into memory location 1, 2 or 3 over writes what was there. Memory values are retained through power off/on.

To add the displayed number to a memory location (instead of replacing the value stored), use 2nd, STO, n

To exchange displayed and stored values, use 2nd, EXC, n

n is 1, 2 or 3

Get the instruction booklet from TI's website (pdf download) if you don't have one

Posted on Dec 31, 2008

Hi,
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
Goodluck!

Posted on Jan 02, 2017

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### Memory recall

From the Users Manual for this monitor: "Memory Recall returns the adjustments back to factory settings if the display is operating in a factory Preset Timing Mode listed in the Specifications of this manual. - Exception: This control does not affect changes made with the User Color control, Language Select or Power Lock setting." When the monitor is asking "Memory Recall OK?" it either wants to initiate a settings Recall, or it's asking if the Recall was successful. In either case, the "Memory Recall OK?" message is supposed to go away when you push either button 1 or button 2. If it does this when you are adjusting settings then it's likely just doing what you told it to, even if you don't realize you told it to do that. It's also possible for one of the settings buttons to be stuck down and this is causing it to try and change the Recall settings. Push each of the buttons on the monitor and pay attention to what each one feels like as you push on it. If one of them feels different from the others, it's likely stuck. Tapping lightly on the settings buttons or on the panel beside them will usually free up a stuck button. If a button is stuck and won't loosen up by tapping beside it, you might need to pry up on the edges of the button VERY gently with the sharp tip of a pointy kitchen knife. If it's doing this when you did not touch any of the settings buttons at all, then this is likely being caused by a dendrite whisker or faulty circuit trace inside the monitor and you'll need to take the monitor to a service technician for repair. But remember to contact Viewsonic first and go to whatever Service Center that they advise, since a repair of this type may be covered under warranty. One other thing you could try before spending money on it is simply to change the Timing mode in the Windows display settings. Go to "Control Panel > Display", then select the "Settings" tab and click the "Advanced" button. Select the "Monitor" tab and change the screen timing to a different Hertz value in the "Screen refresh rate" menu box. Don't forget to save these settings by clicking "Apply" and "OK" to close all of the Windows settings windows. Hope that helps solve your problem...

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