Texas Instruments TI-84 PLUS SILV Guidebook - Page 334
Displaying the About Screen, Displaying the MEMORY MANAGEMENT/DELETE Menu, Product Identification ID
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Note: Some Apps take up several App slots. Displaying the About Screen About displays information about the TI-84 Plus Operating System (OS) Version, Product Number, Product Identification (ID), and Flash Application (App) Certificate Revision Number. To display the About screen, press y L and then select 1:About. Displays the type of graphing calculator. Displays the OS version. As new software upgrades become available, you can electronically upgrade your unit. Displays the Product ID. Each Flash-based graphing calculator has a unique product ID, which you may need if you contact technical support. You can also use this 14 digit ID to register your calculator at education.ti.com, or identify your calculator in the event that it is lost or stolen. Displaying the MEMORY MANAGEMENT/DELETE Menu Mem Mgmt/Del displays the MEMORY MANAGEMENT/DELETE menu. The two lines at the top report the total amount of available RAM (RAM FREE) and Archive (ARC FREE) memory. By selecting menu items on this screen, you can see the amount of memory each variable type is using. This information can help you determine if you need to delete variables from memory to make room for new data, such as programs or Apps. To check memory usage, follow these steps. Press y L to display the MEMORY menu. Note: The # and $ in the top or bottom of the left column indicate that you can scroll up or down to view more variable types. 2. Select 2:Mem Mgmt/Del to display the MEMORY MANAGEMENT/DELETE menu. The TI-84 Plus expresses memory quantities in bytes. Chapter 18: Memory and Variable Management 327