Question about Texas Instruments TI-30XA Calculator

I think the display on my calculator is broken b/c when I turn it on it says 7 rather than 0. as I punch in numbers 1-9 acroos the screen they become more clear and legible. could it be the ribbon cable from the circuitboard to the display? is it even worth wasting time over? I believe I can buy a new one for about $15 so it may be more trouble than its worth.

Either battery is dying, or circuit board has gone, or connector cable loose.

You can replace battery by removing 6
screws at back of calculator, but cost of battery is around 40% of
buying new TI-30XA for $10 from Amazon, Staples or elsewhere.

I've used
TI-30XA's for years, batteries usually last 2-3 years, then I buy new
calculator. The one time I tried to replace battery, fading display
still problem, so circuit board had gone bad.

So you could try battery replace and may be OK, but also may be waste of time and $$

Posted on Dec 31, 2008

The TI-30Xa will only handle fractions with denominators less than or equal to 999. .003 is 3/1000 in simplest terms, with a denominator larger than 999. Thus the calculator cannot display it as a fraction.

Aug 29, 2013 | Texas Instruments TI-30XA Calculator

Two keys can be used to enter negative exponents on the TI-30Xa scientific
calculator; the [y^x] key or the [EE] key. The [y^x] key is used for
all exponents while the [EE] key is used for scientific notation only.

The examples below will demonstrate how to use both keys:

1) Entering 7^-2.

• Press [7] [y^x] [2] [+/-] [=].

• The calculator will display: 0.20408163.

2) 1*10^-3.

• Press [1] [EE] [3] [+/-] [=].

• The calculator will display: 0.001

The examples below will demonstrate how to use both keys:

1) Entering 7^-2.

• Press [7] [y^x] [2] [+/-] [=].

• The calculator will display: 0.20408163.

2) 1*10^-3.

• Press [1] [EE] [3] [+/-] [=].

• The calculator will display: 0.001

Sep 18, 2011 | Texas Instruments TI-30XA Calculator

7 LOG / ( 6 * 7 LOG - 2 LOG ) =

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

Sorry, but that's just the way the TI-30XA works.

Feb 03, 2011 | Texas Instruments TI-30XA Calculator

If you mean e^(7/2), then press (7 / 2 ) 2nd [e^x] =

If you mean (e^7)/2, then press 7 2nd [e^x] / 2 =

If you mean (e^7)/2, then press 7 2nd [e^x] / 2 =

Dec 02, 2010 | Texas Instruments TI-30XA Calculator

1 EE 14 LOG / 2 +<>- =

Jun 25, 2010 | Texas Instruments TI-30XA Calculator

Try to locate the screw on back side for the battery ..remove them then pull out the battery then insert again after some time ...

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

Hello,

It cannot be a coordinate symbol (x is any variable ) because the calculator is not a graphical one. Press the [A/C] Clear All button and it will erase all junk in memory and display.

Hope it helps.

It cannot be a coordinate symbol (x is any variable ) because the calculator is not a graphical one. Press the [A/C] Clear All button and it will erase all junk in memory and display.

Hope it helps.

Sep 11, 2009 | Texas Instruments TI-30XA Calculator

Calculator turns on in "degree" mode. Just enter angle in degrees then press "SIN", "COS" "TAN".

Most people work in degrees but you can switch to Rads or Grads to Degrees modes by pressing "DRG" repeatedly with zero displayed, Current angular mode will show in display.

Get a new instruction booklet by download from TI website

Most people work in degrees but you can switch to Rads or Grads to Degrees modes by pressing "DRG" repeatedly with zero displayed, Current angular mode will show in display.

Get a new instruction booklet by download from TI website

Oct 24, 2008 | Texas Instruments TI-30XA Calculator

Display has gone....you will have to buy a new calculator, fortunately the TI-30XA is only $10-$15!!

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

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