Question about Texas Instruments TI-30XA Calculator

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I would like a battery operated hand held calculator to use in Oregon state testing at the elementary level. Our students take the test on computers so we turn out the lights so the screens are bright and easy to read. Solar calculators do not work. I am looking for calculators that I can buy in the range of $5 if they exist.

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I am not sure that you can find good battery operated calculators at this price range. However is as you say the testing is at the elementary level, maybe some cheap calculators found at dollar stores will do the job.
Cheap calculators are often used as promotional items.

Since testing is done on computers what not let the students/applicants use the calculator application that is found the computers. I do not know about Apple products but PC computers have a calculator usually found under Accessories (in Windows XP). If you find a way to dock the calculator application on the screen or show the students how to raise tha calculator window quickly, you will not need to buy additional calculators.

Posted on Jun 17, 2010

  • k24674 Jun 17, 2010

    OOPS
    Since testing is done on computers why not let the students/applicants
    use the calculator

    to raise the calculator window


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How do I get students to want to enjoy standardized tests?


The psycology behind this is easy, if you are good at something you will enjoy it.
I think to enjoy a test, you must feel that this is something you master. Easy enaugh to feel satisfied about your result, but at the same time challenging enaugh to feel that its interesting.
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Apr 18, 2013 | Computers & Internet

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How do I factor


Factoring is one of the hardest problems of elementary algebra. Not all calculators are designed to handle it. To be able to factor on a calculator, the calculator must have a COMPUTER ALGEBRA SYSTEM. Some expensive calculators have that feature. Most calculators (scientific ones) do not have a CAS.
Consult an elementary (beginning) algebra texbook to read on and understand factoring. For homework it is more efficient to use standard techniques or a combination of techniques to factor polynomials.

Jan 11, 2012 | Casio Office Equipment & Supplies

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Can I use on the ACT exam


your model isn't listed, but read rules Calculators are only allowed to be used on the mathematics test; however, a calculator is not necessary to take the exam. Any student who attempts to use a calculator on the science exam will be dismissed and the worksheet will not be scored. It is the student's responsibility to make sure they bring sufficient batteries and that the calculator works properly. Test center personnel do not have backup calculators or batteries. 1.jpg Only certain types of calculators may be used during the test. Most four-function, scientific or graphing calculators are permitted, but some features may have to be disabled before the calculator can be used. Devices that include calculators among their functions-cell phones, laptops, PDAs-are forbidden, as are calculators with built-in algebra capabilities or QWERTY keyboard buttons. Also, certain specific models of calculators are forbidden, including the following: all Texas Instruments model numbers that begin with TI-89 and TI-92, as well as the TI-Nspire CAS (the non-CAS TI-Nspire is allowed); the Hewlett-Packard hp 48GII model and all model numbers that begin with hp 40G, hp 49G, or hp 50G; the Casio Algebra fx 2.0, ClassPad 300, and all model numbers that begin with CFX-9970G; and all electronic writing pads or pen-input devices, except for the Sharp EL 9600.
As mentioned previously, certain calculators can be used after extra features are disabled. Calculators that use paper tape, for example, may be used after the tape roll is removed. If the student has a model that makes sounds, disabling the sound feature makes the calculator acceptable for use during the test. For calculators that can communicate wirelessly, infrared ports must be covered with opaque material (such as electrician's tape or duct tape) of sufficient thickness to block infrared signals; the Hewlett-Packard hp-38G and hp-48G series are examples of this device type. Also, calculators with power cords must have the cords removed before they can be used during the exam.

Apr 07, 2011 | Casio FX-250HC Calculator

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I am getting the wrong results when performing some basic FV math problems. Doy you have any math problems that would help test my calculator?


It might be more efficient to make the calculator perform a self-test. Here is the procedure.

Verifying Proper Operation (Self-Tests)

If it appears that the calculator will not turn on or otherwise is not operating properly, use one of the following procedures.

1. With the calculator off, hold down the [ON] key and press [X] (the multiply key)..
2. Release the [ON] key, then release the [X] key. This initiates a complete test of the calculator’s electronic circuitry. If everything is working correctly, within about 25 seconds (during which the word RUNNING the display should show –8,8,8,8,8,8,8,8,8,8, and all of the status indicators (except the * battery power indicator) should turn on. If the display shows Error 9, goes blank, or otherwise does not show the proper result, the calculator requires service.

Tests of the calculator’s electronics are also performed if the [+] key or the [divide] key is held down when [ON] is released. These tests are included in the calculator to be used in verifying that it is operating properly during manufacturing and service.

If you had suspected that the calculator was not working properly but the proper display was obtained in step 2, it is likely that you made an error in operating the calculator. We suggest you reread the section in this handbook applicable to your calculation — including, if appropriate, appendix A.

If it needs repairs, contact FixThatcal.org
Here are some examples from the manual (there is overlapping in the first two screen captures)

9c50945.jpg

9ad2e3c.jpg
f4c70d3.jpg

Mar 07, 2010 | HP 12c Calculator

1 Answer

My calculator periodically will simply die. When


When the calculator is turned ON, power to refresh the RAM is supplied by the main batteries. However, when it is OFF, the RAM relies on the backup battery to keep itself refreshed.
If you get the RAM CLEARED message whenever you turn calculator ON, it most certainly is due to a depleted backup battery. You will have to replace the backup battery.

To avoid losing anything important from RAM (what do I say, you are already losing the contents of the RAM), make sure that main batteries are still good, then replace the backup battery.

You can verify the state of the main batteries in a battery tester or by connecting the calculator to the computer with TI USB Silver cable and TI Connect software. If you run into problem such as calculator not recognized it is most probably due to weak batteries.

When you connect it to computer try updating the OS if OS version is not 1.19.




Mar 02, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

The calculator is not showing any display after replacing the battery of HP 12C


Try verifying Proper Operation (Self-Tests)

If it appears that the calculator will not turn on or otherwise is not operating properly, use one of the following procedures.

1. With the calculator off, hold down the [ON] key and press [X] (the multiply key)..
2. Release the [ON] key, then release the [X] key. This initiates a complete test of the calculator’s electronic circuitry. If everything is working correctly, within about 25 seconds (during which the word RUNNING the display should show –8,8,8,8,8,8,8,8,8,8, and all of the status indicators (except the * battery power indicator) should turn on. If the display shows Error 9, goes blank, or otherwise does not show the proper result, the calculator requires service.

Tests of the calculator’s electronics are also performed if the [+] key or the [divide] key is held down when [ON] is released. These tests are included in the calculator to be used in verifying that it is operating properly during manufacturing and service.

If it needs repairs, contact FixThatcal.org

Feb 21, 2010 | HP 12c Calculator

1 Answer

Has new battery and wont turn on


Hello, You can try to perform the self-test. Procedure is as follows. To perform the self test on units with two batteries:
  1. Turn the calculator off.
  2. Press and hold the c01788482.jpg and c01774569.jpg keys; keep both keys held down for the next step.
  3. Press the c01788481.jpg key so the c01788483.jpg and c01788481.jpg keys are held down simultaneously.
  4. Release the c01788481.jpg key.
  5. Release the c01788482.jpg key, followed by the c01774569.jpg key. The main test screen displays the following: '1.L 2.C 3.H'.
    • Press c01788484.jpg to perform the LCD test (all LCD segments will be turned on). Press any key to exit.
    • Press c01788485.jpg to perform the checksum test and see the copyright messages. Press any key to go from one screen to the next until the main test screen, '1.L 2.C 3.H', is displayed again.
    • Press c01788486.jpg to perform the keyboard test. Press EVERY key on the keyboard until all the keys have been pressed at least once. The screen will progressively turn off with each key press. Once all the keys have been pressed and the screen is clear, press any key to return to the test screen.
Press c01788481.jpg to exit the test system. This will also turn the calculator off. If the calculator detects an error at any point, it will display an error message. For the HP 12c financial calculators with one battery, to perform the LCD self test:
  1. Turn the calculator off.
  2. Press and hold the c01788480.jpg key, and simultaneously press and hold the c01788481.jpg key.
  3. Release c01788481.jpg then c01788480.jpg .
  4. After a few moments, all elements of the screen should be displayed. Press any key to exit.
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Nov 02, 2009 | HP 12c Calculator

1 Answer

I got engine code PO700 and PO733 on my 06 charger


P0733-GEAR RATIO ERROR IN 3RD

Theory of Operation
The Transmission Control Module (TCM) constantly calculates the transmission ratio based on the input speed sensor 1 and 2 (N2-N3) signals and the calculated output shaft speed. The intent of this diagnostic is to detect if the transmission is slipping or an invalid gear ratio is present.
  • When Monitored: Engine RPM greater than 450 RPM , output speed greater than 180 RPM , no N2 - N3 input speed sensor errors present, no gear selector lever errors present, no ABS system errors, and all wheel speeds above 450 RPM .
  • Set Condition: No shifting operation and detected gear is not the actual gear. No shifting operation - detected (calculated) gear is less than actual (expected) gear, no plausible gear is calculated, actual turbine speed - calculated turbine speed is greater than 300 RPM or calculated transmission ratio is above threshold. During an Upshift detected (calculated) gear is less than actual (expected) gear. During Downshift - detected (calculated) gear is less than actual (expected) gear.
Possible Causes
  • LOW TRANSMISSION FLUID
  • OTHER TRANSMISSION DTC's PRESENT
  • INTERNAL TRANSMISSION FAILURE
Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. See: Transmission Control Systems\Testing and Inspection\Procedures\NAG1 Automatic Transmission

Diagnostic Test
1. CHECK FOR OTHER TRANSMISSION DTC's
With the scan tool, check transmission DTC's
Are there any solenoid and/or solenoid supply voltage DTC's present?
YES >> Refer to the Transmission category and perform the appropriate symptom(s).
NO >> Go To 2 2. CHECK TRANSMISSION FLUID LEVEL
Check the transmission fluid level.
Is the fluid level correct?
YES >> Go To 3
NO >> Properly adjust the fluid level.
Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. See: Verification Tests\Transmission Verification Test 3. CHECK IF DTC IS CURRENT
With the scan tool, record the Environmental Data and erase Transmission DTC's. NOTE: If the TCM detects and stores a DTC, the TCM also stores the vehicles operating conditions under which the DTC originally set and is located in scan tool under Environmental Data. Before erasing any stored DTC's, record any available data to assist in duplicating the conditions in which the DTC originally set.

Using the Environmental Data recorded earlier, test drive the vehicle while trying to duplicate the conditions in which the DTC originally set.
Did the DTC P0733-GEAR RATIO ERROR IN 3RD reset?
YES >> Repair internal transmission as necessary.
Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. See: Verification Tests\Transmission Verification Test
NO >> Go To 4

4. INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle the wiring and connectors while checking for any possible open or shorted circuits.
Check for any Service Information Tune-ups or Technical Service Bulletins that may apply.
Were there any problems found?
YES >> Repair as necessary.Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. See: Verification Tests\Transmission Verification Test
NO >> Test Complete.

Jun 04, 2009 | 2000 Dodge Durango

2 Answers

TI-35 Plus


Make sure the battery contacts are clean. I just fixed mine, as it had been sitting for some years and the batteries went bad.

I gently cleaned any "green mold" from the contacts with a light Scotch-Brite pad and some electrical contact spray that I got at a local hardware store.

I tested the batteries with my digital meter to make sure they were 1.5V or more and put everything back together. Works great!

Give it a whirl---this is a nice little calculator. I bought mine in 1990-1991 and it's gotten me through undergraduate and graduate school...

Sep 05, 2008 | Texas Instruments TI-34II Explorer Plus...

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