...the calculator locks the alpha key automatically.
Alpha characters are used to enter text characters only. Users cannot use alpha characters to enter function names. For example, typing COS or FMIN does not calculate that function. Users must press the appropriate function key or select the funct... https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/product-usage/16029
...ate, a file is created that stores the calculator with all of the changes that have been made to its setup.
This includes the following settings:
• Functions entered into the [Y=] key
• Stat plot settings
• Window and Zoom settings
• Currently graphed functions
• Mode settings
• Lists in the [S... https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/product-usage/14383
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