How to write Upper Case letters in TI-89

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Hello am interested how to write upper case letters in TI-89

I have read the manual how to write the upper case letters but whenever i press enter the calculator doesent show the upper case letters on the sceen instead it only writes lower case letters.


For example i press white upper arrow and press the letter key, calculator then shows the upper case letter in the modifying smaller lower section of the screen but when i press enter it shows only lower case letters in the fixed larger part of the screen.

the same thing happens if i use white upper arrow key and alpha key combined , i write several upper case letters on the calculator, then press enter and the calculator writes lower case letters on the screen.
 

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  • #2
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It seems the issue is that the calculator is parsing the characters as the name of a variable which only allows lowercase letters. If you place a quotation symbol around the text, there will be no modifications to your input :)
 

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