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II. Function Keys
C. ALPHA
Accessing the ALPHA key will allow you to enter alpha characters, which are in green above the keys. The TI-83 and the TI-84 will enter only capital letters. If you enter
you can access A-LOCK (alpha lock). This will allow you to enter as many characters as you need.
Alpha characters are used in programs and you can use any alpha character to store a value.
