Texas Instruments TI-84 Plus Series Manual

Press-to-Test
Guidebook
To obtain the latest version of the documentation, go to
education.ti.com/guides.

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Using Press-to-Test
As an alternative to TI TestGuard™, Press-to-Test deletes all RAM and Archive
and disables Programs, Apps, Pic Vars, and Image Vars.
You can access Press-to-Test on TI-84 Plus calculators with OS versions 2.40,
2.43, 2.53MP and 2.55MP, and the TI-84 PlusC with OS version 4.0 and
higher.
Note: Press-to-Test includes fewer calculator options on TI-84 Plus with OS
version 2.40, 2.43, and 2.53MP.
To use Press-to-Test on a student’s calculator, complete the following steps:
1. With the TI-84 Plus or TI-84 PlusC turned OFF, press and hold down the
right, left, and ON keys, and then release.
2. The RESET OPTIONS screen displays:
TI-84 Plus C
Notes:
• A blue status bar is shown on the TI-84 Plus C when in TEST MODE
and TEST MODE ENABLED.
• Pic & Image Vars are disabled on the TI-84 PlusC. These Vars are
stored in Arc memory on the TI-84 Plus C. Vars are deleted from RAM
and Arc on the TI-84 Plus and TI-83 Plus.
• By default, ANGLE is set to DEGREE,STAT DIAGNOSTICS is set to
ON, and DISABLE logBASE and DISABLE S(are set to YES.
Using Press-to-Test 3

4 Using Press-to-Test
• Press-to-Test can only disable the logBASE or summation S(functions
on a student’s TI-84 Plus with at least OS version 2.53MP and TI-84
Plus C with OS version 4.0 and higher.
3. If you want to change the default settings, move the cursor over the desired
setting and press Í.
4. Press OK (q). The RESET COMPLETE screen displays.
TI-84 Plus C
5. On the student’s calculator, press Œto verify that applications have
been disabled. The following screen displays:
TI-84 Plus C
Note:
• All variables, excluding AppVars, stored in RAM and in archived
memory are deleted.
6. On the student’s calculator, press ¼to verify that programs have been
disabled. The following screen displays:

TI-84 Plus C
7. On the student’s calculator, press»to verify that logBASE and
summation S(have been disabled. The following screen displays:.
TI-84 Plus C
8. On the student’s TI-84 PlusC calculator, Pic and Image Vars are shown as
disabled.
TI-84 Plus C
9. In memory management (y LMem Mgmt/Del), disabled files will
display with the not equal sign.
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6 Using Press-to-Test
TI-84 Plus C
Bringing a Calculator Out of Test Mode
Educators can re-enable functions, programs, applications, Pic Vars, and
Image Vars by using one of the following methods:
• Link a calculator to the student calculator, and then transfer any file(s) by
pressing y 8,SEND/RECEIVE.
-or-
• Send a calculator file from the computer using TI Connect™.
-or-
• Use the TI TestGuard™ App re-enable feature.
Educator Note:
If a student needs to clear the calculator of files created during an exam, use
the following two-step process.
If you do not need to clear files, use step 2 below.
1. Reset calculator files.
a) Turn off the calculator while in Press-to-Test or testing mode.
b) "Re-Press-to-Test" — press and hold down the right, left, and ON keys,
and then release.
c) Select OK when you see the Reset Verification Screen. The calculator is
now "clean."
2. Re-enable files to turn off test mode.
a) Link and send a file to bring the calculator out of test mode.

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For information about the length and terms of
the warranty or about product service, refer to
the warranty statement enclosed with this
product or contact your local Texas Instruments
retailer/distributor.
Using Press-to-Test 7

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