crwdns2934241:0crwdne2934241:0 Dannehy :D

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up and down button won't work

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ok so i was messing around and when i pressed ALPHA and the up/ down buttons it did nothing… ok? hmmm. i pressed some numbers and it up and down button acting like the keyboard “home” and “end” keys. i don’t know how to turn this back to normal. help please

crwdns2866306:0crwdne2866306:0:

Texas Instruments TI-83

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open