Calculators Solving Text Entry Issue on Ti-89 Titanium

AI Thread Summary
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.
 

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