Calculators Solving Text Entry Issue on Ti-89 Titanium

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The Ti-89 Titanium calculator has a feature that can prevent users from entering text into an equation without overwriting it. This issue can occur if a specific key is accidentally pressed, altering the input mode. Users can resolve this by identifying and resetting the key that was inadvertently activated.
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I have a Ti-89 titanium and its not allowing me to enter text into an equation without writing over the equation. Is there a way I can change this? It seems like I could do this before, I thought maybe I accidentally pressed something without realizing it.
 
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Never mind I found the key that I apparently hit on accident.
 
Thread 'ChatGPT Examples, Good and Bad'

Thread 'ChatGPT Examples, Good and Bad'

I've been experimenting with ChatGPT. Some results are good, some very very bad. I think examples can help expose the properties of this AI. Maybe you can post some of your favorite examples and tell us what they reveal about the properties of this AI. (I had problems with copy/paste of text and formatting, so I'm posting my examples as screen shots. That is a promising start. :smile: But then I provided values V=1, R1=1, R2=2, R3=3 and asked for the value of I. At first, it said...
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