How to Reset a TI-84 Calculator

You can reset a TI-84 calculator to restore its settings, clear temporary data, or remove stored programs and applications. The TI-84 has several reset options, so the correct method depends on what you want to erase. A settings reset is useful when the calculator has unusual graphing or calculation settings. A memory reset is useful when you want to remove stored data or programs.

The reset process is similar on the TI-84 Plus, TI-84 Plus Silver Edition, and TI-84 Plus CE. The names and appearance of some menu options can vary between models. Before choosing a full memory reset, check the calculator for programs, lists, matrices, or other files that you may need later.

What Does Resetting a TI-84 Do?

Resetting a TI-84 can change calculator settings or delete stored information. The result depends on the reset option you select.

The main reset choices include:

• Defaults: Restores standard calculator settings.
• All RAM: Clears information stored in RAM.
• Archive: Removes selected information saved in Archive memory.
• All Memory: Clears user information from RAM and Archive.

You should use Defaults when you only want to restore normal settings. You should use All Memory only when you want to remove most of the information stored on the calculator.

How to Reset a TI-84 Calculator

The easiest way to reset a TI-84 is through the calculator's Memory menu. Follow these steps:

1. Turn on the TI-84 calculator.
2. Press the 2nd button.
3. Press the + button to open the Memory menu.
4. Select 7: Reset….
5. Choose the reset option that matches your needs.
6. Follow the confirmation instructions on the screen.

Do not select a full memory reset if you have important programs or data that you have not backed up.

How to Reset TI-84 Settings Without Deleting Programs

A settings reset is the safest option when you want to return the calculator to its normal configuration. This method is useful if you changed several settings and cannot remember the original values.

Step 1: Open the Memory Menu

Press: [2nd] → [+]. The calculator will open the MEMORY menu.

Step 2: Open the Reset Menu

Select: 7: Reset…. Press [ENTER].

Step 3: Select Defaults

Find the Defaults option in the reset menu. Press [ENTER] and follow the confirmation message. The calculator will restore its standard settings.

This method is useful when the problem involves calculator settings rather than stored files.

When Should You Use the Defaults Reset?

The Defaults option can help when you have changed settings such as:

• Angle mode (Degree / Radian)
• Number format
• Graphing mode
• Window settings
• Statistical settings
• Other system settings

For example, your calculator may be set to Radian mode when your math problem requires Degree mode. Resetting the settings can return the calculator to its standard configuration.

How to Reset All RAM on a TI-84

The All RAM option clears information stored in the calculator's working memory. Use this method when you need to clear RAM but do not want to remove information stored in Archive memory.

Steps to Reset All RAM:

1. Press [2nd] → [+] to open Memory.
2. Select 7: Reset… and press [ENTER].
3. Choose All RAM and press [ENTER].
4. The calculator will display a warning — select the reset option to confirm.

What Can All RAM Remove?

• Programs stored in RAM
• Variables stored in RAM
• Temporary calculation information
• Other user data stored in RAM

Information stored in Archive memory can remain after this type of reset.

How to Completely Reset a TI-84

Use All Memory when you want to remove most user-stored information from the calculator. This is a much larger reset than restoring the default settings.

Steps to Reset All Memory:

1. Press [2nd] → [+].
2. Select 7: Reset… and press [ENTER].
3. Use the right arrow button to move to the ALL section.
4. Select All Memory and press [ENTER].
5. Read the warning displayed on the screen.
6. Select the confirmation option. Wait until the reset process finishes.

What Does an All Memory Reset Delete?

An All Memory reset can remove most user-created information stored on the TI-84, including:

• Programs, Variables, Lists, Matrices
• Graphing data, Archived programs and variables
• Installed applications, User-created settings

How to Reset a TI-84 Without Losing Programs

If you want to keep your programs, start with the Defaults option:

[2nd] → [+] → [7] → Defaults

This option is designed for restoring calculator settings rather than removing all stored files. If you need to clear RAM while keeping archived information, consider the All RAM option instead.

How to Reset a TI-84 for an Exam

Some exams require students to clear stored programs and other information before testing. If the exam instructions require the calculator's memory to be cleared, you can use the All Memory reset:

1. Press [2nd].
2. Press [+].
3. Select 7: Reset….
4. Move to the ALL section.
5. Select All Memory.
6. Read the warning and confirm the reset.

Some testing programs use Press-to-Test instead of requiring students to permanently erase calculator files. Always follow the rules provided by the school or testing organization.

TI-84 Reset Options Compared

Reset Option	Main Purpose	Stored Programs
Defaults	Restore standard settings	Usually preserved ✅
All RAM	Clear RAM	RAM programs can be removed ⚠️
Archive Reset	Clear selected archived data	Archived data can be removed ⚠️
All Memory	Clear most stored user information	Removed ❌

Frequently Asked Questions

Can I reset my TI-84 without deleting everything?

Yes. Use the Defaults option when you only want to restore calculator settings. Do not select All Memory unless you want to remove stored information.

Does resetting a TI-84 delete programs?

It can. All RAM can remove programs stored in RAM, while All Memory can remove programs stored in both RAM and Archive.

Will a reset fix a TI-84 that is not working correctly?

A reset can fix some problems caused by incorrect settings or stored data. However, a reset may not fix hardware problems or physical damage. See our guide: TI-84 Not Turning On.

Is All Memory the same as restoring factory settings?

No. Defaults changes calculator settings, while All Memory removes much more user-stored information.

Also see: How to Clear a TI-84 Calculator for everyday clearing options.